23902497 has 12 divisors (see below), whose sum is σ = 36027264. Its totient is φ = 15242040.

The previous prime is 23902469. The next prime is 23902507. The reversal of 23902497 is 79420932.

It is not a de Polignac number, because 23902497 - 2⁶ = 23902433 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23902097) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 57529 + ... + 57942.

It is an arithmetic number, because the mean of its divisors is an integer number (3002272).

Almost surely, 2^23902497 is an apocalyptic number.

It is an amenable number.

23902497 is a deficient number, since it is larger than the sum of its proper divisors (12124767).

23902497 is a wasteful number, since it uses less digits than its factorization.

23902497 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 115500 (or 115497 counting only the distinct ones).

The product of its (nonzero) digits is 27216, while the sum is 36.

The square root of 23902497 is about 4889.0179995578. The cubic root of 23902497 is about 288.0587626044.

It can be divided in two parts, 239024 and 97, that added together give a square (239121 = 489²).

The spelling of 23902497 in words is "twenty-three million, nine hundred two thousand, four hundred ninety-seven".