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123223140230140 = 22571527316456829
BaseRepresentation
bin11100000001001000011111…
…100000000110001111111100
3121011022000110111202111001201
4130001020133200012033330
5112122341442344331030
61114023532405545244
734645402200124126
oct3401103740061774
9534260414674051
10123223140230140
113629870526a525
12119a1578415224
13539ab7a3c5bc2
1422600633da216
15e3a4b3acd2ca
hex70121f8063fc

123223140230140 has 48 divisors (see below), whose sum is σ = 262463003974080. Its totient is φ = 48585822440960.

The previous prime is 123223140230107. The next prime is 123223140230147. The reversal of 123223140230140 is 41032041322321.

It is a junction number, because it is equal to n+sod(n) for n = 123223140230099 and 123223140230108.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (123223140230147) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 740755 + ... + 15716074.

It is an arithmetic number, because the mean of its divisors is an integer number (5467979249460).

Almost surely, 2123223140230140 is an apocalyptic number.

123223140230140 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

123223140230140 is an abundant number, since it is smaller than the sum of its proper divisors (139239863743940).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

123223140230140 is a wasteful number, since it uses less digits than its factorization.

123223140230140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16462182 (or 16462180 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 28.

Adding to 123223140230140 its reverse (41032041322321), we get a palindrome (164255181552461).

The spelling of 123223140230140 in words is "one hundred twenty-three trillion, two hundred twenty-three billion, one hundred forty million, two hundred thirty thousand, one hundred forty".

Divisors: 1 2 4 5 10 20 71 142 284 355 710 1420 5273 10546 21092 26365 52730 105460 374383 748766 1497532 1871915 3743830 7487660 16456829 32913658 65827316 82284145 164568290 329136580 1168434859 2336869718 4673739436 5842174295 11684348590 23368697180 86776859317 173553718634 347107437268 433884296585 867768593170 1735537186340 6161157011507 12322314023014 24644628046028 30805785057535 61611570115070 123223140230140