23415404 has 12 divisors (see below), whose sum is σ = 41223504. Its totient is φ = 11637264.

The previous prime is 23415401. The next prime is 23415421. The reversal of 23415404 is 40451432.

It is a super-2 number, since 2×23415404² = 1096562288966432, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 23415404.

It is not an unprimeable number, because it can be changed into a prime (23415401) 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, 16859 + ... + 18194.

It is an arithmetic number, because the mean of its divisors is an integer number (3435292).

Almost surely, 2^23415404 is an apocalyptic number.

It is an amenable number.

23415404 is a deficient number, since it is larger than the sum of its proper divisors (17808100).

23415404 is a wasteful number, since it uses less digits than its factorization.

23415404 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35224 (or 35222 counting only the distinct ones).

The product of its (nonzero) digits is 1920, while the sum is 23.

The square root of 23415404 is about 4838.9465795770. The cubic root of 23415404 is about 286.0885995408.

Adding to 23415404 its reverse (40451432), we get a palindrome (63866836).

The spelling of 23415404 in words is "twenty-three million, four hundred fifteen thousand, four hundred four".