23313432 has 32 divisors (see below), whose sum is σ = 58855680. Its totient is φ = 7694880.

The previous prime is 23313431. The next prime is 23313449. The reversal of 23313432 is 23431332.

It is a super-2 number, since 2×23313432² = 1087032223237248, which contains 22 as substring.

It is a nude number because it is divisible by every one of its digits.

It is a junction number, because it is equal to n+sod(n) for n = 23313399 and 23313408.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23313431) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2244 + ... + 7187.

It is an arithmetic number, because the mean of its divisors is an integer number (1839240).

Almost surely, 2^23313432 is an apocalyptic number.

It is an amenable number.

23313432 is an abundant number, since it is smaller than the sum of its proper divisors (35542248).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

23313432 is a wasteful number, since it uses less digits than its factorization.

23313432 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9543 (or 9539 counting only the distinct ones).

The product of its digits is 1296, while the sum is 21.

The square root of 23313432 is about 4828.3984922539. The cubic root of 23313432 is about 285.6726984232.

Adding to 23313432 its reverse (23431332), we get a palindrome (46744764).

The spelling of 23313432 in words is "twenty-three million, three hundred thirteen thousand, four hundred thirty-two".