23338731 has 16 divisors (see below), whose sum is σ = 33719840. Its totient is φ = 14358240.

The previous prime is 23338699. The next prime is 23338741. The reversal of 23338731 is 13783332.

It is not a de Polignac number, because 23338731 - 2⁵ = 23338699 is a prime.

It is a super-2 number, since 2×23338731² = 1089392729380722, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (23338741) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4821 + ... + 8361.

It is an arithmetic number, because the mean of its divisors is an integer number (2107490).

Almost surely, 2^23338731 is an apocalyptic number.

23338731 is a deficient number, since it is larger than the sum of its proper divisors (10381109).

23338731 is an equidigital number, since it uses as much as digits as its factorization.

23338731 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3583 (or 3557 counting only the distinct ones).

The product of its digits is 9072, while the sum is 30.

The square root of 23338731 is about 4831.0175946688. The cubic root of 23338731 is about 285.7759953969.

The spelling of 23338731 in words is "twenty-three million, three hundred thirty-eight thousand, seven hundred thirty-one".