23125509599 has 2 divisors, whose sum is σ = 23125509600. Its totient is φ = 23125509598.

The previous prime is 23125509403. The next prime is 23125509677. The reversal of 23125509599 is 99590552132.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-23125509599 is a prime.

It is a super-2 number, since 2×23125509599² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (23125509299) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11562754799 + 11562754800.

It is an arithmetic number, because the mean of its divisors is an integer number (11562754800).

Almost surely, 2^23125509599 is an apocalyptic number.

23125509599 is a deficient number, since it is larger than the sum of its proper divisors (1).

23125509599 is an equidigital number, since it uses as much as digits as its factorization.

23125509599 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1093500, while the sum is 50.

The spelling of 23125509599 in words is "twenty-three billion, one hundred twenty-five million, five hundred nine thousand, five hundred ninety-nine".