23681497 has 8 divisors (see below), whose sum is σ = 27215552. Its totient is φ = 20185200.

The previous prime is 23681491. The next prime is 23681501. The reversal of 23681497 is 79418632.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a de Polignac number, because none of the positive numbers 2^k-23681497 is a prime.

It is a super-2 number, since 2×23681497² = 1121626600322018, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (23681491) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8079 + ... + 10612.

It is an arithmetic number, because the mean of its divisors is an integer number (3401944).

Almost surely, 2^23681497 is an apocalyptic number.

It is an amenable number.

23681497 is a deficient number, since it is larger than the sum of its proper divisors (3534055).

23681497 is a wasteful number, since it uses less digits than its factorization.

23681497 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18879.

The product of its digits is 72576, while the sum is 40.

The square root of 23681497 is about 4866.3638376102. The cubic root of 23681497 is about 287.1682252189.

The spelling of 23681497 in words is "twenty-three million, six hundred eighty-one thousand, four hundred ninety-seven".