23427401885625 has 80 divisors (see below), whose sum is σ = 41302682910720. Its totient is φ = 11775025800000.

The previous prime is 23427401885551. The next prime is 23427401885647. The reversal of 23427401885625 is 52658810472432.

It is not a de Polignac number, because 23427401885625 - 2¹³ = 23427401877433 is a prime.

It is a super-2 number, since 2×23427401885625² (a number of 28 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (57).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 5082880 + ... + 8525870.

It is an arithmetic number, because the mean of its divisors is an integer number (516283536384).

Almost surely, 2^{23427401885625} is an apocalyptic number.

23427401885625 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

23427401885625 is a deficient number, since it is larger than the sum of its proper divisors (17875281025095).

23427401885625 is a wasteful number, since it uses less digits than its factorization.

23427401885625 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3443224 (or 3443209 counting only the distinct ones).

The product of its (nonzero) digits is 25804800, while the sum is 57.

The spelling of 23427401885625 in words is "twenty-three trillion, four hundred twenty-seven billion, four hundred one million, eight hundred eighty-five thousand, six hundred twenty-five".