23313321225 has 18 divisors (see below), whose sum is σ = 41756749086. Its totient is φ = 12433771200.

The previous prime is 23313321191. The next prime is 23313321247. The reversal of 23313321225 is 52212331332.

It is a happy number.

23313321225 is a `hidden beast` number, since 2 + 3 + 313 + 321 + 2 + 25 = 666.

It can be written as a sum of positive squares in 3 ways, for example, as 6586296336 + 16727024889 = 81156^2 + 129333^2 .

It is not a de Polignac number, because 23313321225 - 2⁸ = 23313320969 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 51807156 + ... + 51807605.

Almost surely, 2^23313321225 is an apocalyptic number.

23313321225 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

23313321225 is a deficient number, since it is larger than the sum of its proper divisors (18443427861).

23313321225 is a wasteful number, since it uses less digits than its factorization.

23313321225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 103614777 (or 103614769 counting only the distinct ones).

The product of its digits is 6480, while the sum is 27.

Adding to 23313321225 its reverse (52212331332), we get a palindrome (75525652557).

The spelling of 23313321225 in words is "twenty-three billion, three hundred thirteen million, three hundred twenty-one thousand, two hundred twenty-five".