23144432 has 30 divisors (see below), whose sum is σ = 47338488. Its totient is φ = 10960416.

The previous prime is 23144419. The next prime is 23144441. The reversal of 23144432 is 23444132.

It is a hoax number, since the sum of its digits (23) coincides with the sum of the digits of its distinct prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 23144398 and 23144407.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 3773 + ... + 7779.

Almost surely, 2^23144432 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 23144432, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (23669244).

23144432 is an abundant number, since it is smaller than the sum of its proper divisors (24194056).

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

23144432 is a wasteful number, since it uses less digits than its factorization.

23144432 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4053 (or 4028 counting only the distinct ones).

The product of its digits is 2304, while the sum is 23.

The square root of 23144432 is about 4810.8660343019. The cubic root of 23144432 is about 284.9807394391.

Adding to 23144432 its reverse (23444132), we get a palindrome (46588564).

The spelling of 23144432 in words is "twenty-three million, one hundred forty-four thousand, four hundred thirty-two".