23996157 has 4 divisors (see below), whose sum is σ = 31994880. Its totient is φ = 15997436.

The previous prime is 23996131. The next prime is 23996177. The reversal of 23996157 is 75169932.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 23996157 - 2¹¹ = 23994109 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23996177) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3999357 + ... + 3999362.

It is an arithmetic number, because the mean of its divisors is an integer number (7998720).

Almost surely, 2^23996157 is an apocalyptic number.

It is an amenable number.

23996157 is a deficient number, since it is larger than the sum of its proper divisors (7998723).

23996157 is an equidigital number, since it uses as much as digits as its factorization.

23996157 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7998722.

The product of its digits is 102060, while the sum is 42.

The square root of 23996157 is about 4898.5872453188. The cubic root of 23996157 is about 288.4345172255.

The spelling of 23996157 in words is "twenty-three million, nine hundred ninety-six thousand, one hundred fifty-seven".