23038431 has 16 divisors (see below), whose sum is σ = 34823040. Its totient is φ = 13430880.

The previous prime is 23038423. The next prime is 23038439. The reversal of 23038431 is 13483032.

It is an interprime number because it is at equal distance from previous prime (23038423) and next prime (23038439).

It is not a de Polignac number, because 23038431 - 2³ = 23038423 is a prime.

It is a super-2 number, since 2×23038431² = 1061538605883522, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23038439) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 14805 + ... + 16286.

It is an arithmetic number, because the mean of its divisors is an integer number (2176440).

Almost surely, 2^23038431 is an apocalyptic number.

23038431 is a deficient number, since it is larger than the sum of its proper divisors (11784609).

23038431 is a wasteful number, since it uses less digits than its factorization.

23038431 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31126.

The product of its (nonzero) digits is 1728, while the sum is 24.

The square root of 23038431 is about 4799.8365597174. The cubic root of 23038431 is about 284.5450049931.

The spelling of 23038431 in words is "twenty-three million, thirty-eight thousand, four hundred thirty-one".