23245725731 has 16 divisors (see below), whose sum is σ = 25090551840. Its totient is φ = 21469432320.

The previous prime is 23245725719. The next prime is 23245725733. The reversal of 23245725731 is 13752754232.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-23245725731 is a prime.

It is a super-2 number, since 2×23245725731² (a number of 22 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (23245725733) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 42221 + ... + 219713.

It is an arithmetic number, because the mean of its divisors is an integer number (1568159490).

Almost surely, 2^23245725731 is an apocalyptic number.

23245725731 is a deficient number, since it is larger than the sum of its proper divisors (1844826109).

23245725731 is a wasteful number, since it uses less digits than its factorization.

23245725731 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 177686.

The product of its digits is 352800, while the sum is 41.

The spelling of 23245725731 in words is "twenty-three billion, two hundred forty-five million, seven hundred twenty-five thousand, seven hundred thirty-one".