23670431 has 4 divisors (see below), whose sum is σ = 23680392. Its totient is φ = 23660472.

The previous prime is 23670421. The next prime is 23670463. The reversal of 23670431 is 13407632.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 23670431 - 2¹⁰ = 23669407 is a prime.

It is a super-2 number, since 2×23670431² = 1120578607451522, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 23670431.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23670401) 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, 896 + ... + 6938.

It is an arithmetic number, because the mean of its divisors is an integer number (5920098).

Almost surely, 2^23670431 is an apocalyptic number.

23670431 is a deficient number, since it is larger than the sum of its proper divisors (9961).

23670431 is an equidigital number, since it uses as much as digits as its factorization.

23670431 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9960.

The product of its (nonzero) digits is 3024, while the sum is 26.

The square root of 23670431 is about 4865.2267161973. The cubic root of 23670431 is about 287.1234884822.

The spelling of 23670431 in words is "twenty-three million, six hundred seventy thousand, four hundred thirty-one".