23406255 has 24 divisors (see below), whose sum is σ = 40938768. Its totient is φ = 12370176.

The previous prime is 23406221. The next prime is 23406259. The reversal of 23406255 is 55260432.

23406255 is a `hidden beast` number, since 2 + 3 + 406 + 255 = 666.

It is not a de Polignac number, because 23406255 - 2¹⁸ = 23144111 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23406259) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2784 + ... + 7386.

It is an arithmetic number, because the mean of its divisors is an integer number (1705782).

Almost surely, 2^23406255 is an apocalyptic number.

23406255 is a deficient number, since it is larger than the sum of its proper divisors (17532513).

23406255 is a wasteful number, since it uses less digits than its factorization.

23406255 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4727 (or 4724 counting only the distinct ones).

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

The square root of 23406255 is about 4838.0011368333. The cubic root of 23406255 is about 286.0513339645.

Adding to 23406255 its reverse (55260432), we get a palindrome (78666687).

The spelling of 23406255 in words is "twenty-three million, four hundred six thousand, two hundred fifty-five".