23322720 has 48 divisors (see below), whose sum is σ = 73468080. Its totient is φ = 6219264.

The previous prime is 23322707. The next prime is 23322731. The reversal of 23322720 is 2722332.

It is a tau number, because it is divible by the number of its divisors (48).

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, 23815 + ... + 24774.

It is an arithmetic number, because the mean of its divisors is an integer number (1530585).

Almost surely, 2^23322720 is an apocalyptic number.

23322720 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

23322720 is an abundant number, since it is smaller than the sum of its proper divisors (50145360).

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

23322720 is a wasteful number, since it uses less digits than its factorization.

23322720 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 48607 (or 48599 counting only the distinct ones).

The product of its (nonzero) digits is 1008, while the sum is 21.

The square root of 23322720 is about 4829.3602060728. The cubic root of 23322720 is about 285.7106304294.

It can be divided in two parts, 23322 and 720, that added together give a palindrome (24042).

The spelling of 23322720 in words is "twenty-three million, three hundred twenty-two thousand, seven hundred twenty".