23916156 has 24 divisors (see below), whose sum is σ = 60877824. Its totient is φ = 7247280.

The previous prime is 23916149. The next prime is 23916157. The reversal of 23916156 is 65161932.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23916157) 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, 90460 + ... + 90723.

It is an arithmetic number, because the mean of its divisors is an integer number (2536576).

Almost surely, 2^23916156 is an apocalyptic number.

It is an amenable number.

23916156 is an abundant number, since it is smaller than the sum of its proper divisors (36961668).

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

23916156 is a wasteful number, since it uses less digits than its factorization.

23916156 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 181201 (or 181199 counting only the distinct ones).

The product of its digits is 9720, while the sum is 33.

The square root of 23916156 is about 4890.4147063414. The cubic root of 23916156 is about 288.1136222202.

The spelling of 23916156 in words is "twenty-three million, nine hundred sixteen thousand, one hundred fifty-six".