23641677352225 has 24 divisors (see below), whose sum is σ = 30327736635000. Its totient is φ = 18260452439040.

The previous prime is 23641677352151. The next prime is 23641677352229. The reversal of 23641677352225 is 52225377614632.

It can be written as a sum of positive squares in 12 ways, for example, as 7845130439056 + 15796546913169 = 2800916^2 + 3974487^2 .

It is not a de Polignac number, because 23641677352225 - 2¹⁷ = 23641677221153 is a prime.

It is not an unprimeable number, because it can be changed into a prime (23641677352229) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 18559071 + ... + 19791979.

It is an arithmetic number, because the mean of its divisors is an integer number (1263655693125).

Almost surely, 2^{23641677352225} is an apocalyptic number.

23641677352225 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

23641677352225 is a deficient number, since it is larger than the sum of its proper divisors (6686059282775).

23641677352225 is a wasteful number, since it uses less digits than its factorization.

23641677352225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1259397 (or 1259392 counting only the distinct ones).

The product of its digits is 25401600, while the sum is 55.

The spelling of 23641677352225 in words is "twenty-three trillion, six hundred forty-one billion, six hundred seventy-seven million, three hundred fifty-two thousand, two hundred twenty-five".