23125897513 has 2 divisors, whose sum is σ = 23125897514. Its totient is φ = 23125897512.

The previous prime is 23125897471. The next prime is 23125897537. The reversal of 23125897513 is 31579852132.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 17117012224 + 6008885289 = 130832^2 + 77517^2 .

It is a cyclic number.

It is not a de Polignac number, because 23125897513 - 2⁹ = 23125897001 is a prime.

It is not a weakly prime, because it can be changed into another prime (23125897013) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11562948756 + 11562948757.

It is an arithmetic number, because the mean of its divisors is an integer number (11562948757).

Almost surely, 2^23125897513 is an apocalyptic number.

It is an amenable number.

23125897513 is a deficient number, since it is larger than the sum of its proper divisors (1).

23125897513 is an equidigital number, since it uses as much as digits as its factorization.

23125897513 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 453600, while the sum is 46.

The spelling of 23125897513 in words is "twenty-three billion, one hundred twenty-five million, eight hundred ninety-seven thousand, five hundred thirteen".