23107185425 has 24 divisors (see below), whose sum is σ = 29614934136. Its totient is φ = 17871459840.

The previous prime is 23107185403. The next prime is 23107185467. The reversal of 23107185425 is 52458170132.

It can be written as a sum of positive squares in 12 ways, for example, as 7940770321 + 15166415104 = 89111^2 + 123152^2 .

It is not a de Polignac number, because 23107185425 - 2⁸ = 23107185169 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 65669 + ... + 224781.

It is an arithmetic number, because the mean of its divisors is an integer number (1233955589).

Almost surely, 2^23107185425 is an apocalyptic number.

23107185425 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

23107185425 is a deficient number, since it is larger than the sum of its proper divisors (6507748711).

23107185425 is a wasteful number, since it uses less digits than its factorization.

23107185425 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 159317 (or 159312 counting only the distinct ones).

The product of its (nonzero) digits is 67200, while the sum is 38.

The spelling of 23107185425 in words is "twenty-three billion, one hundred seven million, one hundred eighty-five thousand, four hundred twenty-five".