23404332 has 24 divisors (see below), whose sum is σ = 62411776. Its totient is φ = 6686928.

The previous prime is 23404327. The next prime is 23404351. The reversal of 23404332 is 23340432.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a junction number, because it is equal to n+sod(n) for n = 23404299 and 23404308.

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 7 ways as a sum of consecutive naturals, for example, 139228 + ... + 139395.

Almost surely, 2^23404332 is an apocalyptic number.

It is an amenable number.

23404332 is an abundant number, since it is smaller than the sum of its proper divisors (39007444).

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

23404332 is a wasteful number, since it uses less digits than its factorization.

23404332 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 278637 (or 278635 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 21.

The square root of 23404332 is about 4837.8023936494. The cubic root of 23404332 is about 286.0434999933.

Adding to 23404332 its reverse (23340432), we get a palindrome (46744764).

The spelling of 23404332 in words is "twenty-three million, four hundred four thousand, three hundred thirty-two".