23915772 has 36 divisors (see below), whose sum is σ = 60999120. Its totient is φ = 7900032.

The previous prime is 23915761. The next prime is 23915777. The reversal of 23915772 is 27751932.

It is a tau number, because it is divible by the number of its divisors (36).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23915777) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1129 + ... + 7007.

It is an arithmetic number, because the mean of its divisors is an integer number (1694420).

Almost surely, 2^23915772 is an apocalyptic number.

It is an amenable number.

23915772 is an abundant number, since it is smaller than the sum of its proper divisors (37083348).

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

23915772 is a wasteful number, since it uses less digits than its factorization.

23915772 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6002 (or 5997 counting only the distinct ones).

The product of its digits is 26460, while the sum is 36.

The square root of 23915772 is about 4890.3754457097. The cubic root of 23915772 is about 288.1120802190.

The spelling of 23915772 in words is "twenty-three million, nine hundred fifteen thousand, seven hundred seventy-two".