23431203 has 6 divisors (see below), whose sum is σ = 33845084. Its totient is φ = 15620796.

The previous prime is 23431193. The next prime is 23431211. The reversal of 23431203 is 30213432.

It is not a de Polignac number, because 23431203 - 2⁵ = 23431171 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (23431283) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1301725 + ... + 1301742.

Almost surely, 2^23431203 is an apocalyptic number.

23431203 is a deficient number, since it is larger than the sum of its proper divisors (10413881).

23431203 is a wasteful number, since it uses less digits than its factorization.

23431203 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2603473 (or 2603470 counting only the distinct ones).

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

The square root of 23431203 is about 4840.5787877071. The cubic root of 23431203 is about 286.1529289539.

Adding to 23431203 its reverse (30213432), we get a palindrome (53644635).

The spelling of 23431203 in words is "twenty-three million, four hundred thirty-one thousand, two hundred three".