23312043 has 20 divisors (see below), whose sum is σ = 34983520. Its totient is φ = 15470352.

The previous prime is 23312017. The next prime is 23312053. The reversal of 23312043 is 34021332.

It is not a de Polignac number, because 23312043 - 2⁵ = 23312011 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (23312053) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 21918 + ... + 22956.

It is an arithmetic number, because the mean of its divisors is an integer number (1749176).

Almost surely, 2^23312043 is an apocalyptic number.

23312043 is a deficient number, since it is larger than the sum of its proper divisors (11671477).

23312043 is a wasteful number, since it uses less digits than its factorization.

23312043 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1328 (or 1319 counting only the distinct ones).

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

The square root of 23312043 is about 4828.2546535990. The cubic root of 23312043 is about 285.6670249091.

Adding to 23312043 its reverse (34021332), we get a palindrome (57333375).

The spelling of 23312043 in words is "twenty-three million, three hundred twelve thousand, forty-three".