23398556 has 12 divisors (see below), whose sum is σ = 41007792. Its totient is φ = 11682048.

The previous prime is 23398553. The next prime is 23398561. The reversal of 23398556 is 65589332.

It is a hoax number, since the sum of its digits (41) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23398553) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 965 + ... + 6908.

It is an arithmetic number, because the mean of its divisors is an integer number (3417316).

Almost surely, 2^23398556 is an apocalyptic number.

It is an amenable number.

23398556 is a deficient number, since it is larger than the sum of its proper divisors (17609236).

23398556 is a wasteful number, since it uses less digits than its factorization.

23398556 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8620 (or 8618 counting only the distinct ones).

The product of its digits is 194400, while the sum is 41.

The square root of 23398556 is about 4837.2053915458. The cubic root of 23398556 is about 286.0199669826.

It can be divided in two parts, 233 and 98556, that added together give a palindrome (98789).

The spelling of 23398556 in words is "twenty-three million, three hundred ninety-eight thousand, five hundred fifty-six".