23531055 has 16 divisors (see below), whose sum is σ = 38268384. Its totient is φ = 12343680.

The previous prime is 23531051. The next prime is 23531087. The reversal of 23531055 is 55013532.

It is not a de Polignac number, because 23531055 - 2² = 23531051 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23531051) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 11944 + ... + 13773.

It is an arithmetic number, because the mean of its divisors is an integer number (2391774).

Almost surely, 2^23531055 is an apocalyptic number.

23531055 is a deficient number, since it is larger than the sum of its proper divisors (14737329).

23531055 is a wasteful number, since it uses less digits than its factorization.

23531055 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25786.

The product of its (nonzero) digits is 2250, while the sum is 24.

The square root of 23531055 is about 4850.8818785866. The cubic root of 23531055 is about 286.5588328569.

Adding to 23531055 its reverse (55013532), we get a palindrome (78544587).

The spelling of 23531055 in words is "twenty-three million, five hundred thirty-one thousand, fifty-five".