23522464 has 48 divisors (see below), whose sum is σ = 53319168. Its totient is φ = 10006272.

The previous prime is 23522423. The next prime is 23522467. The reversal of 23522464 is 46422532.

It is a Harshad number since it is a multiple of its sum of digits (28).

It is not an unprimeable number, because it can be changed into a prime (23522467) 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, 38449 + ... + 39055.

It is an arithmetic number, because the mean of its divisors is an integer number (1110816).

Almost surely, 2^23522464 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 23522464, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (26659584).

23522464 is an abundant number, since it is smaller than the sum of its proper divisors (29796704).

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

23522464 is a wasteful number, since it uses less digits than its factorization.

23522464 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 797 (or 789 counting only the distinct ones).

The product of its digits is 11520, while the sum is 28.

The square root of 23522464 is about 4849.9962886584. The cubic root of 23522464 is about 286.5239551660.

Adding to 23522464 its reverse (46422532), we get a palindrome (69944996).

The spelling of 23522464 in words is "twenty-three million, five hundred twenty-two thousand, four hundred sixty-four".