255123210344320 has 32 divisors (see below), whose sum is σ = 609903924730920. Its totient is φ = 102049284137472.

The previous prime is 255123210344297. The next prime is 255123210344399. The reversal of 255123210344320 is 23443012321552.

It is a tau number, because it is divible by the number of its divisors (32).

It is a self number, because there is not a number n which added to its sum of digits gives 255123210344320.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 199315007442 + ... + 199315008721.

Almost surely, 2^{255123210344320} is an apocalyptic number.

255123210344320 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

255123210344320 is an abundant number, since it is smaller than the sum of its proper divisors (354780714386600).

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

255123210344320 is an equidigital number, since it uses as much as digits as its factorization.

255123210344320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 398630016182 (or 398630016170 counting only the distinct ones).

The product of its (nonzero) digits is 172800, while the sum is 37.

Adding to 255123210344320 its reverse (23443012321552), we get a palindrome (278566222665872).

The spelling of 255123210344320 in words is "two hundred fifty-five trillion, one hundred twenty-three billion, two hundred ten million, three hundred forty-four thousand, three hundred twenty".