23242156 has 24 divisors (see below), whose sum is σ = 46941440. Its totient is φ = 9862992.

The previous prime is 23242129. The next prime is 23242169. The reversal of 23242156 is 65124232.

It is a self number, because there is not a number n which added to its sum of digits gives 23242156.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1146 + ... + 6913.

Almost surely, 2^23242156 is an apocalyptic number.

It is an amenable number.

23242156 is an abundant number, since it is smaller than the sum of its proper divisors (23699284).

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

23242156 is a wasteful number, since it uses less digits than its factorization.

23242156 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8173 (or 8171 counting only the distinct ones).

The product of its digits is 2880, while the sum is 25.

The square root of 23242156 is about 4821.0119269713. The cubic root of 23242156 is about 285.3812728188.

Adding to 23242156 its reverse (65124232), we get a palindrome (88366388).

The spelling of 23242156 in words is "twenty-three million, two hundred forty-two thousand, one hundred fifty-six".