23047431 has 16 divisors (see below), whose sum is σ = 34680960. Its totient is φ = 13485920.

The previous prime is 23047417. The next prime is 23047433. The reversal of 23047431 is 13474032.

It is a cyclic number.

It is not a de Polignac number, because 23047431 - 2¹⁷ = 22916359 is a prime.

It is a super-2 number, since 2×23047431² = 1062368151399522, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23047433) 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, 11085 + ... + 12998.

It is an arithmetic number, because the mean of its divisors is an integer number (2167560).

Almost surely, 2^23047431 is an apocalyptic number.

23047431 is a deficient number, since it is larger than the sum of its proper divisors (11633529).

23047431 is a wasteful number, since it uses less digits than its factorization.

23047431 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24126.

The product of its (nonzero) digits is 2016, while the sum is 24.

The square root of 23047431 is about 4800.7740000962. The cubic root of 23047431 is about 284.5820528234.

The spelling of 23047431 in words is "twenty-three million, forty-seven thousand, four hundred thirty-one".