123450232185856 has 99 divisors (see below), whose sum is σ = 249273036620643. Its totient is φ = 61107710269440.

The previous prime is 123450232185769. The next prime is 123450232186009. The reversal of 123450232185856 is 658581232054321.

The square root of 123450232185856 is 11110816.

It is a perfect power (a square), and thus also a powerful number.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 123450232185797 and 123450232185806.

It is an unprimeable number.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 36621247851 + ... + 36621251221.

Almost surely, 2^{123450232185856} is an apocalyptic number.

123450232185856 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

123450232185856 is the 11110816-th square number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 123450232185856

123450232185856 is an abundant number, since it is smaller than the sum of its proper divisors (125822804434787).

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

123450232185856 is an frugal number, since it uses more digits than its factorization.

123450232185856 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6968 (or 3476 counting only the distinct ones).

The product of its (nonzero) digits is 13824000, while the sum is 55.

The spelling of 123450232185856 in words is "one hundred twenty-three trillion, four hundred fifty billion, two hundred thirty-two million, one hundred eighty-five thousand, eight hundred fifty-six".