23512613 has 2 divisors, whose sum is σ = 23512614. Its totient is φ = 23512612.

The previous prime is 23512607. The next prime is 23512661. The reversal of 23512613 is 31621532.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 15856324 + 7656289 = 3982^2 + 2767^2 .

It is a cyclic number.

It is not a de Polignac number, because 23512613 - 2⁴ = 23512597 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (23518613) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11756306 + 11756307.

It is an arithmetic number, because the mean of its divisors is an integer number (11756307).

Almost surely, 2^23512613 is an apocalyptic number.

It is an amenable number.

23512613 is a deficient number, since it is larger than the sum of its proper divisors (1).

23512613 is an equidigital number, since it uses as much as digits as its factorization.

23512613 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1080, while the sum is 23.

The square root of 23512613 is about 4848.9806145210. The cubic root of 23512613 is about 286.4839516812.

The spelling of 23512613 in words is "twenty-three million, five hundred twelve thousand, six hundred thirteen".