23655772 has 24 divisors (see below), whose sum is σ = 50095584. Its totient is φ = 9541632.

The previous prime is 23655769. The next prime is 23655773. The reversal of 23655772 is 27755632.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23655773) 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, 24373 + ... + 25324.

It is an arithmetic number, because the mean of its divisors is an integer number (2087316).

Almost surely, 2^23655772 is an apocalyptic number.

It is an amenable number.

23655772 is an abundant number, since it is smaller than the sum of its proper divisors (26439812).

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

23655772 is a wasteful number, since it uses less digits than its factorization.

23655772 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 49725 (or 49723 counting only the distinct ones).

The product of its digits is 88200, while the sum is 37.

The square root of 23655772 is about 4863.7199754920. The cubic root of 23655772 is about 287.0642047796.

The spelling of 23655772 in words is "twenty-three million, six hundred fifty-five thousand, seven hundred seventy-two".