23401125225 has 36 divisors (see below), whose sum is σ = 42444604800. Its totient is φ = 12322608480.

The previous prime is 23401125203. The next prime is 23401125247. The reversal of 23401125225 is 52252110432.

23401125225 is a `hidden beast` number, since 2 + 3 + 401 + 1 + 252 + 2 + 5 = 666.

It is an interprime number because it is at equal distance from previous prime (23401125203) and next prime (23401125247).

It is not a de Polignac number, because 23401125225 - 2¹⁵ = 23401092457 is a prime.

It is a super-2 number, since 2×23401125225² (a number of 22 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 640485 + ... + 676034.

It is an arithmetic number, because the mean of its divisors is an integer number (1179016800).

Almost surely, 2^23401125225 is an apocalyptic number.

23401125225 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

23401125225 is a deficient number, since it is larger than the sum of its proper divisors (19043479575).

23401125225 is a wasteful number, since it uses less digits than its factorization.

23401125225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1316614 (or 1316606 counting only the distinct ones).

The product of its (nonzero) digits is 4800, while the sum is 27.

Adding to 23401125225 its reverse (52252110432), we get a palindrome (75653235657).

The spelling of 23401125225 in words is "twenty-three billion, four hundred one million, one hundred twenty-five thousand, two hundred twenty-five".