23113404 has 48 divisors (see below), whose sum is σ = 63453600. Its totient is φ = 7250688.

The previous prime is 23113397. The next prime is 23113417. The reversal of 23113404 is 40431132.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4459 + ... + 8130.

It is an arithmetic number, because the mean of its divisors is an integer number (1321950).

Almost surely, 2^23113404 is an apocalyptic number.

It is an amenable number.

23113404 is an abundant number, since it is smaller than the sum of its proper divisors (40340196).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

23113404 is a wasteful number, since it uses less digits than its factorization.

23113404 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12619 (or 12611 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 18.

The square root of 23113404 is about 4807.6401695634. The cubic root of 23113404 is about 284.8533317359.

Adding to 23113404 its reverse (40431132), we get a palindrome (63544536).

The spelling of 23113404 in words is "twenty-three million, one hundred thirteen thousand, four hundred four".