123576326256 has 20 divisors (see below), whose sum is σ = 319238842952. Its totient is φ = 41192108736.

The previous prime is 123576326213. The next prime is 123576326281. The reversal of 123576326256 is 652623675321.

It is a super-2 number, since 2×123576326256² (a number of 23 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (48), and also a Moran number because the ratio is a prime number: 2574506797 = 123576326256 / (1 + 2 + 3 + 5 + 7 + 6 + 3 + 2 + 6 + 2 + 5 + 6).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1287253351 + ... + 1287253446.

Almost surely, 2^123576326256 is an apocalyptic number.

123576326256 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

123576326256 is an abundant number, since it is smaller than the sum of its proper divisors (195662516696).

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

123576326256 is a wasteful number, since it uses less digits than its factorization.

123576326256 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2574506808 (or 2574506802 counting only the distinct ones).

The product of its digits is 2721600, while the sum is 48.

The spelling of 123576326256 in words is "one hundred twenty-three billion, five hundred seventy-six million, three hundred twenty-six thousand, two hundred fifty-six".