23387055 has 32 divisors (see below), whose sum is σ = 38776320. Its totient is φ = 12028800.

The previous prime is 23387041. The next prime is 23387057. The reversal of 23387055 is 55078332.

It is not a de Polignac number, because 23387055 - 2⁸ = 23386799 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23387057) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 64966 + ... + 65324.

It is an arithmetic number, because the mean of its divisors is an integer number (1211760).

Almost surely, 2^23387055 is an apocalyptic number.

23387055 is a deficient number, since it is larger than the sum of its proper divisors (15389265).

23387055 is a wasteful number, since it uses less digits than its factorization.

23387055 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 511.

The product of its (nonzero) digits is 25200, while the sum is 33.

The square root of 23387055 is about 4836.0164391780. The cubic root of 23387055 is about 285.9730972135.

The spelling of 23387055 in words is "twenty-three million, three hundred eighty-seven thousand, fifty-five".