123445325665400 has 48 divisors (see below), whose sum is σ = 287013526115640. Its totient is φ = 49377589372800.

The previous prime is 123445325665397. The next prime is 123445325665421. The reversal of 123445325665400 is 4566523544321.

It is a Harshad number since it is a multiple of its sum of digits (50).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 15177095 + ... + 21845705.

Almost surely, 2^{123445325665400} is an apocalyptic number.

123445325665400 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

123445325665400 is an abundant number, since it is smaller than the sum of its proper divisors (163568200450240).

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

123445325665400 is a wasteful number, since it uses less digits than its factorization.

123445325665400 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6761184 (or 6761175 counting only the distinct ones).

The product of its (nonzero) digits is 10368000, while the sum is 50.

The spelling of 123445325665400 in words is "one hundred twenty-three trillion, four hundred forty-five billion, three hundred twenty-five million, six hundred sixty-five thousand, four hundred".