23144472 has 96 divisors (see below), whose sum is σ = 68577600. Its totient is φ = 7008768.

The previous prime is 23144447. The next prime is 23144477. The reversal of 23144472 is 27444132.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23144477) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 73788 + ... + 74100.

It is an arithmetic number, because the mean of its divisors is an integer number (714350).

Almost surely, 2^23144472 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 23144472, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (34288800).

23144472 is an abundant number, since it is smaller than the sum of its proper divisors (45433128).

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

23144472 is a wasteful number, since it uses less digits than its factorization.

23144472 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 417 (or 410 counting only the distinct ones).

The product of its digits is 5376, while the sum is 27.

The square root of 23144472 is about 4810.8701915558. The cubic root of 23144472 is about 284.9809036143.

It can be divided in two parts, 2314 and 4472, that added together give a triangular number (6786 = T₁₁₆).

The spelling of 23144472 in words is "twenty-three million, one hundred forty-four thousand, four hundred seventy-two".