23989457 has 8 divisors (see below), whose sum is σ = 25329600. Its totient is φ = 22657104.

The previous prime is 23989453. The next prime is 23989463. The reversal of 23989457 is 75498932.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 23989457 - 2² = 23989453 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (23989451) 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, 5063 + ... + 8579.

It is an arithmetic number, because the mean of its divisors is an integer number (3166200).

Almost surely, 2^23989457 is an apocalyptic number.

It is an amenable number.

23989457 is a deficient number, since it is larger than the sum of its proper divisors (1340143).

23989457 is a wasteful number, since it uses less digits than its factorization.

23989457 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3895.

The product of its digits is 544320, while the sum is 47.

The square root of 23989457 is about 4897.9033269349. The cubic root of 23989457 is about 288.4076699939.

The spelling of 23989457 in words is "twenty-three million, nine hundred eighty-nine thousand, four hundred fifty-seven".