23485231 has 32 divisors (see below), whose sum is σ = 31104000. Its totient is φ = 17191680.

The previous prime is 23485229. The next prime is 23485237. The reversal of 23485231 is 13258432.

23485231 is a nontrivial binomial coefficient, being equal to C(6854, 2).

It is not a de Polignac number, because 23485231 - 2¹ = 23485229 is a prime.

It is a super-2 number, since 2×23485231² = 1103112150246722, 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 23485231.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23485237) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 157545 + ... + 157693.

It is an arithmetic number, because the mean of its divisors is an integer number (972000).

Almost surely, 2^23485231 is an apocalyptic number.

23485231 is the 6853-rd triangular number and also the 3427-th hexagonal number.

23485231 is the 2285-th centered nonagonal number.

23485231 is a deficient number, since it is larger than the sum of its proper divisors (7618769).

23485231 is a wasteful number, since it uses less digits than its factorization.

23485231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 279.

The product of its digits is 5760, while the sum is 28.

The square root of 23485231 is about 4846.1563119652. The cubic root of 23485231 is about 286.3726986176.

It can be divided in two parts, 23485 and 231, that added together give a square (23716 = 154²).

The spelling of 23485231 in words is "twenty-three million, four hundred eighty-five thousand, two hundred thirty-one".