23642055 has 12 divisors (see below), whose sum is σ = 40979640. Its totient is φ = 12609072.

The previous prime is 23642051. The next prime is 23642063. The reversal of 23642055 is 55024632.

23642055 is a `hidden beast` number, since 236 + 420 + 5 + 5 = 666.

It is not a de Polignac number, because 23642055 - 2² = 23642051 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23642051) 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, 262645 + ... + 262734.

It is an arithmetic number, because the mean of its divisors is an integer number (3414970).

Almost surely, 2^23642055 is an apocalyptic number.

23642055 is a deficient number, since it is larger than the sum of its proper divisors (17337585).

23642055 is a wasteful number, since it uses less digits than its factorization.

23642055 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 525390 (or 525387 counting only the distinct ones).

The product of its (nonzero) digits is 7200, while the sum is 27.

The square root of 23642055 is about 4862.3096363765. The cubic root of 23642055 is about 287.0087085137.

Adding to 23642055 its reverse (55024632), we get a palindrome (78666687).

The spelling of 23642055 in words is "twenty-three million, six hundred forty-two thousand, fifty-five".