23989497 has 8 divisors (see below), whose sum is σ = 36555456. Its totient is φ = 13708272.

The previous prime is 23989489. The next prime is 23989513. The reversal of 23989497 is 79498932.

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

It is not a de Polignac number, because 23989497 - 2³ = 23989489 is a prime.

It is not an unprimeable number, because it can be changed into a prime (23989477) 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, 571158 + ... + 571199.

It is an arithmetic number, because the mean of its divisors is an integer number (4569432).

Almost surely, 2^23989497 is an apocalyptic number.

It is an amenable number.

23989497 is a deficient number, since it is larger than the sum of its proper divisors (12565959).

23989497 is a wasteful number, since it uses less digits than its factorization.

23989497 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1142367.

The product of its digits is 979776, while the sum is 51.

The square root of 23989497 is about 4897.9074103131. The cubic root of 23989497 is about 288.4078302907.

The spelling of 23989497 in words is "twenty-three million, nine hundred eighty-nine thousand, four hundred ninety-seven".