23202138224 has 20 divisors (see below), whose sum is σ = 45045714360. Its totient is φ = 11577437760.

The previous prime is 23202138221. The next prime is 23202138233. The reversal of 23202138224 is 42283120232.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23202138221) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1468859 + ... + 1484570.

It is an arithmetic number, because the mean of its divisors is an integer number (2252285718).

Almost surely, 2^23202138224 is an apocalyptic number.

It is an amenable number.

23202138224 is a deficient number, since it is larger than the sum of its proper divisors (21843576136).

23202138224 is a wasteful number, since it uses less digits than its factorization.

23202138224 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2953928 (or 2953922 counting only the distinct ones).

The product of its (nonzero) digits is 9216, while the sum is 29.

Adding to 23202138224 its reverse (42283120232), we get a palindrome (65485258456).

The spelling of 23202138224 in words is "twenty-three billion, two hundred two million, one hundred thirty-eight thousand, two hundred twenty-four".