23409404 has 12 divisors (see below), whose sum is σ = 41003424. Its totient is φ = 11694144.

The previous prime is 23409383. The next prime is 23409427. The reversal of 23409404 is 40490432.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4484 + ... + 8180.

It is an arithmetic number, because the mean of its divisors is an integer number (3416952).

Almost surely, 2^23409404 is an apocalyptic number.

It is an amenable number.

23409404 is a deficient number, since it is larger than the sum of its proper divisors (17594020).

23409404 is a wasteful number, since it uses less digits than its factorization.

23409404 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5284 (or 5282 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 26.

The square root of 23409404 is about 4838.3265702100. The cubic root of 23409404 is about 286.0641615222.

Adding to 23409404 its reverse (40490432), we get a palindrome (63899836).

The spelling of 23409404 in words is "twenty-three million, four hundred nine thousand, four hundred four".