23715193529 has 2 divisors, whose sum is σ = 23715193530. Its totient is φ = 23715193528.

The previous prime is 23715193423. The next prime is 23715193553. The reversal of 23715193529 is 92539151732.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 22156917904 + 1558275625 = 148852^2 + 39475^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-23715193529 is a prime.

It is not a weakly prime, because it can be changed into another prime (23715193559) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11857596764 + 11857596765.

It is an arithmetic number, because the mean of its divisors is an integer number (11857596765).

Almost surely, 2^23715193529 is an apocalyptic number.

It is an amenable number.

23715193529 is a deficient number, since it is larger than the sum of its proper divisors (1).

23715193529 is an equidigital number, since it uses as much as digits as its factorization.

23715193529 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 510300, while the sum is 47.

The spelling of 23715193529 in words is "twenty-three billion, seven hundred fifteen million, one hundred ninety-three thousand, five hundred twenty-nine".