23412320 has 48 divisors (see below), whose sum is σ = 55783728. Its totient is φ = 9285120.

The previous prime is 23412299. The next prime is 23412329. The reversal of 23412320 is 2321432.

23412320 = T₄₅₉ + T₄₆₀ + ... + T₆₁₈.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23412329) 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, 20402 + ... + 21518.

It is an arithmetic number, because the mean of its divisors is an integer number (1162161).

Almost surely, 2^23412320 is an apocalyptic number.

23412320 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 23412320, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (27891864).

23412320 is an abundant number, since it is smaller than the sum of its proper divisors (32371408).

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

23412320 is a wasteful number, since it uses less digits than its factorization.

23412320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1263 (or 1255 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 17.

The square root of 23412320 is about 4838.6279046854. The cubic root of 23412320 is about 286.0760389207.

Adding to 23412320 its reverse (2321432), we get a palindrome (25733752).

It can be divided in two parts, 23412 and 320, that added together give a palindrome (23732).

The spelling of 23412320 in words is "twenty-three million, four hundred twelve thousand, three hundred twenty".