23231424 has 28 divisors (see below), whose sum is σ = 61466984. Its totient is φ = 7743744.

The previous prime is 23231399. The next prime is 23231473. The reversal of 23231424 is 42413232.

It is a super-2 number, since 2×23231424² = 1079398122135552, which contains 22 as substring.

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

It is a self number, because there is not a number n which added to its sum of digits gives 23231424.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 60307 + ... + 60690.

Almost surely, 2^23231424 is an apocalyptic number.

23231424 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

23231424 is an abundant number, since it is smaller than the sum of its proper divisors (38235560).

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

23231424 is a wasteful number, since it uses less digits than its factorization.

23231424 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 121012 (or 121002 counting only the distinct ones).

The product of its digits is 1152, while the sum is 21.

The square root of 23231424 is about 4819.8987541234. The cubic root of 23231424 is about 285.3373413903.

Adding to 23231424 its reverse (42413232), we get a palindrome (65644656).

The spelling of 23231424 in words is "twenty-three million, two hundred thirty-one thousand, four hundred twenty-four".