23975002613 has 2 divisors, whose sum is σ = 23975002614. Its totient is φ = 23975002612.

The previous prime is 23975002559. The next prime is 23975002663. The reversal of 23975002613 is 31620057932.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 18582597124 + 5392405489 = 136318^2 + 73433^2 .

It is a cyclic number.

It is not a de Polignac number, because 23975002613 - 2³² = 19680035317 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (23975002663) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11987501306 + 11987501307.

It is an arithmetic number, because the mean of its divisors is an integer number (11987501307).

Almost surely, 2^23975002613 is an apocalyptic number.

It is an amenable number.

23975002613 is a deficient number, since it is larger than the sum of its proper divisors (1).

23975002613 is an equidigital number, since it uses as much as digits as its factorization.

23975002613 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 68040, while the sum is 38.

The spelling of 23975002613 in words is "twenty-three billion, nine hundred seventy-five million, two thousand, six hundred thirteen".