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123214321243 = 1344887211153
BaseRepresentation
bin111001011000000100…
…1010101011001011011
3102210001000111001022101
41302300021111121123
54004320331234433
6132334234304231
711621236310236
oct1626011253133
9383030431271
10123214321243
11482892aa262
121ba68288077
13b8080cb5c0
145d6c1bc41d
15331228207d
hex1cb025565b

123214321243 has 8 divisors (see below), whose sum is σ = 132695930528. Its totient is φ = 113733224064.

The previous prime is 123214321231. The next prime is 123214321247. The reversal of 123214321243 is 342123412321.

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 123214321243 - 217 = 123214190171 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (123214321247) 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, 477955 + ... + 689107.

It is an arithmetic number, because the mean of its divisors is an integer number (16586991316).

Almost surely, 2123214321243 is an apocalyptic number.

123214321243 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

123214321243 is a deficient number, since it is larger than the sum of its proper divisors (9481609285).

123214321243 is a wasteful number, since it uses less digits than its factorization.

123214321243 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 256053.

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

Adding to 123214321243 its reverse (342123412321), we get a palindrome (465337733564).

The spelling of 123214321243 in words is "one hundred twenty-three billion, two hundred fourteen million, three hundred twenty-one thousand, two hundred forty-three".

Divisors: 1 13 44887 211153 583531 2744989 9478024711 123214321243