23997237 has 8 divisors (see below), whose sum is σ = 34905120. Its totient is φ = 14543760.

The previous prime is 23997229. The next prime is 23997271. The reversal of 23997237 is 73279932.

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

It is not a de Polignac number, because 23997237 - 2³ = 23997229 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23999237) 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, 363562 + ... + 363627.

It is an arithmetic number, because the mean of its divisors is an integer number (4363140).

Almost surely, 2^23997237 is an apocalyptic number.

It is an amenable number.

23997237 is a deficient number, since it is larger than the sum of its proper divisors (10907883).

23997237 is a wasteful number, since it uses less digits than its factorization.

23997237 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 727203.

The product of its digits is 142884, while the sum is 42.

The square root of 23997237 is about 4898.6974799430. The cubic root of 23997237 is about 288.4388443712.

The spelling of 23997237 in words is "twenty-three million, nine hundred ninety-seven thousand, two hundred thirty-seven".