23665432 has 48 divisors (see below), whose sum is σ = 52387560. Its totient is φ = 9991296.

The previous prime is 23665427. The next prime is 23665451. The reversal of 23665432 is 23456632.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 23665394 and 23665403.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 28203 + ... + 29029.

Almost surely, 2^23665432 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 23665432, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (26193780).

23665432 is an abundant number, since it is smaller than the sum of its proper divisors (28722128).

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

23665432 is a wasteful number, since it uses less digits than its factorization.

23665432 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 920 (or 909 counting only the distinct ones).

The product of its digits is 25920, while the sum is 31.

The square root of 23665432 is about 4864.7129411713. The cubic root of 23665432 is about 287.1032743541.

The spelling of 23665432 in words is "twenty-three million, six hundred sixty-five thousand, four hundred thirty-two".