23572320 has 48 divisors (see below), whose sum is σ = 74254320. Its totient is φ = 6285824.

The previous prime is 23572303. The next prime is 23572321. The reversal of 23572320 is 2327532.

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

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23572321) 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, 24075 + ... + 25034.

It is an arithmetic number, because the mean of its divisors is an integer number (1546965).

Almost surely, 2^23572320 is an apocalyptic number.

23572320 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

23572320 is an abundant number, since it is smaller than the sum of its proper divisors (50682000).

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

23572320 is a wasteful number, since it uses less digits than its factorization.

23572320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 49127 (or 49119 counting only the distinct ones).

The product of its (nonzero) digits is 2520, while the sum is 24.

The square root of 23572320 is about 4855.1333658304. The cubic root of 23572320 is about 286.7262420499.

Adding to 23572320 its reverse (2327532), we get a palindrome (25899852).

The spelling of 23572320 in words is "twenty-three million, five hundred seventy-two thousand, three hundred twenty".