23190367225 has 12 divisors (see below), whose sum is σ = 28759044844. Its totient is φ = 18550365120.

The previous prime is 23190367171. The next prime is 23190367229. The reversal of 23190367225 is 52276309132.

It can be written as a sum of positive squares in 6 ways, for example, as 7978598329 + 15211768896 = 89323^2 + 123336^2 .

It is not a de Polignac number, because 23190367225 - 2²⁷ = 23056149497 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (23190367229) 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 11 ways as a sum of consecutive naturals, for example, 228127 + ... + 313723.

Almost surely, 2^23190367225 is an apocalyptic number.

23190367225 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

23190367225 is a deficient number, since it is larger than the sum of its proper divisors (5568677619).

23190367225 is a wasteful number, since it uses less digits than its factorization.

23190367225 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 96444 (or 96439 counting only the distinct ones).

The product of its (nonzero) digits is 136080, while the sum is 40.

The spelling of 23190367225 in words is "twenty-three billion, one hundred ninety million, three hundred sixty-seven thousand, two hundred twenty-five".