23423320 has 32 divisors (see below), whose sum is σ = 52935120. Its totient is φ = 9328000.

The previous prime is 23423311. The next prime is 23423327. The reversal of 23423320 is 2332432.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23423327) 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, 8874 + ... + 11206.

Almost surely, 2^23423320 is an apocalyptic number.

23423320 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

23423320 is an abundant number, since it is smaller than the sum of its proper divisors (29511800).

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

23423320 is a wasteful number, since it uses less digits than its factorization.

23423320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2595 (or 2591 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 19.

The square root of 23423320 is about 4839.7644570785. The cubic root of 23423320 is about 286.1208350469.

Adding to 23423320 its reverse (2332432), we get a palindrome (25755752).

The spelling of 23423320 in words is "twenty-three million, four hundred twenty-three thousand, three hundred twenty".