23978170125 has 256 divisors, whose sum is σ = 55175178240. Its totient is φ = 10005120000.

The previous prime is 23978170123. The next prime is 23978170127. The reversal of 23978170125 is 52107187932.

It is an interprime number because it is at equal distance from previous prime (23978170123) and next prime (23978170127).

It is not a de Polignac number, because 23978170125 - 2¹ = 23978170123 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23978170121) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 255 ways as a sum of consecutive naturals, for example, 31019239 + ... + 31020011.

It is an arithmetic number, because the mean of its divisors is an integer number (215528040).

Almost surely, 2^23978170125 is an apocalyptic number.

23978170125 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

23978170125 is an abundant number, since it is smaller than the sum of its proper divisors (31197008115).

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

23978170125 is a wasteful number, since it uses less digits than its factorization.

23978170125 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 918 (or 902 counting only the distinct ones).

The product of its (nonzero) digits is 211680, while the sum is 45.

The spelling of 23978170125 in words is "twenty-three billion, nine hundred seventy-eight million, one hundred seventy thousand, one hundred twenty-five".