23124564 has 72 divisors (see below), whose sum is σ = 60802560. Its totient is φ = 7405632.

The previous prime is 23124559. The next prime is 23124617. The reversal of 23124564 is 46542132.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 133582 + ... + 133754.

It is an arithmetic number, because the mean of its divisors is an integer number (844480).

Almost surely, 2^23124564 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 23124564, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (30401280).

23124564 is an abundant number, since it is smaller than the sum of its proper divisors (37677996).

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

23124564 is a wasteful number, since it uses less digits than its factorization.

23124564 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 309 (or 304 counting only the distinct ones).

The product of its digits is 5760, while the sum is 27.

The square root of 23124564 is about 4808.8006820828. The cubic root of 23124564 is about 284.8991702413.

Adding to 23124564 its reverse (46542132), we get a palindrome (69666696).

The spelling of 23124564 in words is "twenty-three million, one hundred twenty-four thousand, five hundred sixty-four".