23431036 has 6 divisors (see below), whose sum is σ = 41004320. Its totient is φ = 11715516.

The previous prime is 23431021. The next prime is 23431061. The reversal of 23431036 is 63013432.

It is a junction number, because it is equal to n+sod(n) for n = 23430998 and 23431016.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2928876 + ... + 2928883.

Almost surely, 2^23431036 is an apocalyptic number.

It is an amenable number.

23431036 is a deficient number, since it is larger than the sum of its proper divisors (17573284).

23431036 is a wasteful number, since it uses less digits than its factorization.

23431036 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5857763 (or 5857761 counting only the distinct ones).

The product of its (nonzero) digits is 1296, while the sum is 22.

The square root of 23431036 is about 4840.5615376731. The cubic root of 23431036 is about 286.1522491247.

Adding to 23431036 its reverse (63013432), we get a palindrome (86444468).

The spelling of 23431036 in words is "twenty-three million, four hundred thirty-one thousand, thirty-six".