123625626240 has 64 divisors (see below), whose sum is σ = 394056689760. Its totient is φ = 32966833152.

The previous prime is 123625626239. The next prime is 123625626281. The reversal of 123625626240 is 42626526321.

It is a tau number, because it is divible by the number of its divisors (64).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 32192254 + ... + 32196093.

Almost surely, 2^123625626240 is an apocalyptic number.

123625626240 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

123625626240 is an abundant number, since it is smaller than the sum of its proper divisors (270431063520).

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

123625626240 is an equidigital number, since it uses as much as digits as its factorization.

123625626240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 64388369 (or 64388357 counting only the distinct ones).

The product of its (nonzero) digits is 207360, while the sum is 39.

The spelling of 123625626240 in words is "one hundred twenty-three billion, six hundred twenty-five million, six hundred twenty-six thousand, two hundred forty".