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123122220131023 = 1724057130105389
BaseRepresentation
bin11011111111101010100000…
…001100011110001011001111
3121010221100222012210021002221
4123333222200030132023033
5112114213301323143043
61113505322254000211
734635200251335661
oct3377524014361317
9533840865707087
10123122220131023
1136259927524333
1211985ab24a6067
1353914b60a3519
14225920c0aa531
15e37a58be68ed
hex6ffaa031e2cf

123122220131023 has 8 divisors (see below), whose sum is σ = 130365249895440. Its totient is φ = 115879251058560.

The previous prime is 123122220130991. The next prime is 123122220131041. The reversal of 123122220131023 is 320131022221321.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 123122220131023 - 25 = 123122220130991 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (123122220171023) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10962988 + ... + 19142401.

It is an arithmetic number, because the mean of its divisors is an integer number (16295656236930).

Almost surely, 2123122220131023 is an apocalyptic number.

123122220131023 is a deficient number, since it is larger than the sum of its proper divisors (7243029764417).

123122220131023 is a wasteful number, since it uses less digits than its factorization.

123122220131023 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30345977.

The product of its (nonzero) digits is 1728, while the sum is 25.

Adding to 123122220131023 its reverse (320131022221321), we get a palindrome (443253242352344).

The spelling of 123122220131023 in words is "one hundred twenty-three trillion, one hundred twenty-two billion, two hundred twenty million, one hundred thirty-one thousand, twenty-three".

Divisors: 1 17 240571 4089707 30105389 511791613 7242483537119 123122220131023