23404432 has 20 divisors (see below), whose sum is σ = 47318400. Its totient is φ = 11193248.

The previous prime is 23404417. The next prime is 23404439. The reversal of 23404432 is 23440432.

It is not an unprimeable number, because it can be changed into a prime (23404439) 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, 31432 + ... + 32167.

It is an arithmetic number, because the mean of its divisors is an integer number (2365920).

Almost surely, 2^23404432 is an apocalyptic number.

It is an amenable number.

23404432 is an abundant number, since it is smaller than the sum of its proper divisors (23913968).

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

23404432 is a wasteful number, since it uses less digits than its factorization.

23404432 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 63630 (or 63624 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 22.

The square root of 23404432 is about 4837.8127289096. The cubic root of 23404432 is about 286.0439073867.

Adding to 23404432 its reverse (23440432), we get a palindrome (46844864).

The spelling of 23404432 in words is "twenty-three million, four hundred four thousand, four hundred thirty-two".