23499997 has 8 divisors (see below), whose sum is σ = 24577344. Its totient is φ = 22427328.

The previous prime is 23499989. The next prime is 23500003. The reversal of 23499997 is 79999432.

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 23499997 - 2³ = 23499989 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23499977) 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, 12778 + ... + 14500.

It is an arithmetic number, because the mean of its divisors is an integer number (3072168).

Almost surely, 2^23499997 is an apocalyptic number.

It is an amenable number.

23499997 is a deficient number, since it is larger than the sum of its proper divisors (1077347).

23499997 is a wasteful number, since it uses less digits than its factorization.

23499997 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2339.

The product of its digits is 1102248, while the sum is 52.

The square root of 23499997 is about 4847.6795479899. The cubic root of 23499997 is about 286.4327036105.

The spelling of 23499997 in words is "twenty-three million, four hundred ninety-nine thousand, nine hundred ninety-seven".