23572164 has 96 divisors (see below), whose sum is σ = 69543936. Its totient is φ = 6036480.

The previous prime is 23572111. The next prime is 23572177. The reversal of 23572164 is 46127532.

23572164 = T₂₂₇ + T₂₂₈ + ... + T₅₃₄.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 89497 + ... + 89759.

It is an arithmetic number, because the mean of its divisors is an integer number (724416).

Almost surely, 2^23572164 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 23572164, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (34771968).

23572164 is an abundant number, since it is smaller than the sum of its proper divisors (45971772).

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

23572164 is a wasteful number, since it uses less digits than its factorization.

23572164 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 385 (or 383 counting only the distinct ones).

The product of its digits is 10080, while the sum is 30.

The square root of 23572164 is about 4855.1173003337. The cubic root of 23572164 is about 286.7256095370.

Adding to 23572164 its reverse (46127532), we get a palindrome (69699696).

The spelling of 23572164 in words is "twenty-three million, five hundred seventy-two thousand, one hundred sixty-four".