23391104 has 64 divisors (see below), whose sum is σ = 52326000. Its totient is φ = 10321920.

The previous prime is 23391091. The next prime is 23391127. The reversal of 23391104 is 40119332.

It is a tau number, because it is divible by the number of its divisors (64).

It is a self number, because there is not a number n which added to its sum of digits gives 23391104.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 51872 + ... + 52320.

Almost surely, 2^23391104 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 23391104, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (26163000).

23391104 is an abundant number, since it is smaller than the sum of its proper divisors (28934896).

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

23391104 is a wasteful number, since it uses less digits than its factorization.

23391104 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 511 (or 499 counting only the distinct ones).

The product of its (nonzero) digits is 648, while the sum is 23.

The square root of 23391104 is about 4836.4350507373. The cubic root of 23391104 is about 285.9895997653.

It can be divided in two parts, 2339 and 1104, that added together give a palindrome (3443).

The spelling of 23391104 in words is "twenty-three million, three hundred ninety-one thousand, one hundred four".