23431023 has 24 divisors (see below), whose sum is σ = 42197376. Its totient is φ = 12171600.

The previous prime is 23431021. The next prime is 23431061. The reversal of 23431023 is 32013432.

It is not a de Polignac number, because 23431023 - 2¹ = 23431021 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 23430987 and 23431005.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23431021) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 16213 + ... + 17598.

It is an arithmetic number, because the mean of its divisors is an integer number (1758224).

Almost surely, 2^23431023 is an apocalyptic number.

23431023 is a deficient number, since it is larger than the sum of its proper divisors (18766353).

23431023 is a wasteful number, since it uses less digits than its factorization.

23431023 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33835 (or 33832 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 18.

The square root of 23431023 is about 4840.5601948535. The cubic root of 23431023 is about 286.1521962037.

Adding to 23431023 its reverse (32013432), we get a palindrome (55444455).

The spelling of 23431023 in words is "twenty-three million, four hundred thirty-one thousand, twenty-three".