23743431 has 12 divisors (see below), whose sum is σ = 35479080. Its totient is φ = 15282960.

The previous prime is 23743409. The next prime is 23743453. The reversal of 23743431 is 13434732.

It is an interprime number because it is at equal distance from previous prime (23743409) and next prime (23743453).

It is not a de Polignac number, because 23743431 - 2⁶ = 23743367 is a prime.

It is a super-2 number, since 2×23743431² = 1127501031303522, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 23743395 and 23743404.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23743231) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 45225 + ... + 45746.

It is an arithmetic number, because the mean of its divisors is an integer number (2956590).

Almost surely, 2^23743431 is an apocalyptic number.

23743431 is a deficient number, since it is larger than the sum of its proper divisors (11735649).

23743431 is a wasteful number, since it uses less digits than its factorization.

23743431 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 91006 (or 91003 counting only the distinct ones).

The product of its digits is 6048, while the sum is 27.

The square root of 23743431 is about 4872.7231606156. The cubic root of 23743431 is about 287.4183500966.

The spelling of 23743431 in words is "twenty-three million, seven hundred forty-three thousand, four hundred thirty-one".