23212464 has 40 divisors (see below), whose sum is σ = 65418432. Its totient is φ = 7033920.

The previous prime is 23212447. The next prime is 23212477. The reversal of 23212464 is 46421232.

It is a Harshad number since it is a multiple of its sum of digits (24).

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 21454 + ... + 22509.

Almost surely, 2^23212464 is an apocalyptic number.

23212464 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

23212464 is an abundant number, since it is smaller than the sum of its proper divisors (42205968).

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

23212464 is a wasteful number, since it uses less digits than its factorization.

23212464 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 43985 (or 43979 counting only the distinct ones).

The product of its digits is 2304, while the sum is 24.

The square root of 23212464 is about 4817.9315063625. The cubic root of 23212464 is about 285.2596955771.

Adding to 23212464 its reverse (46421232), we get a palindrome (69633696).

The spelling of 23212464 in words is "twenty-three million, two hundred twelve thousand, four hundred sixty-four".