23189432 has 16 divisors (see below), whose sum is σ = 49691760. Its totient is φ = 9938304.

The previous prime is 23189431. The next prime is 23189447. The reversal of 23189432 is 23498132.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23189431) 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, 206993 + ... + 207104.

It is an arithmetic number, because the mean of its divisors is an integer number (3105735).

Almost surely, 2^23189432 is an apocalyptic number.

It is an amenable number.

23189432 is an abundant number, since it is smaller than the sum of its proper divisors (26502328).

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

23189432 is a wasteful number, since it uses less digits than its factorization.

23189432 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 414110 (or 414106 counting only the distinct ones).

The product of its digits is 10368, while the sum is 32.

The square root of 23189432 is about 4815.5406757705. The cubic root of 23189432 is about 285.1653170353.

The spelling of 23189432 in words is "twenty-three million, one hundred eighty-nine thousand, four hundred thirty-two".