23472144 has 120 divisors (see below), whose sum is σ = 72346560. Its totient is φ = 7070976.

The previous prime is 23472143. The next prime is 23472161. The reversal of 23472144 is 44127432.

23472144 = T₁₅₇ + T₁₅₈ + ... + T₅₂₄.

It is not an unprimeable number, because it can be changed into a prime (23472143) 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, 62742 + ... + 63114.

It is an arithmetic number, because the mean of its divisors is an integer number (602888).

Almost surely, 2^23472144 is an apocalyptic number.

23472144 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 23472144, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (36173280).

23472144 is an abundant number, since it is smaller than the sum of its proper divisors (48874416).

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

23472144 is a wasteful number, since it uses less digits than its factorization.

23472144 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 429 (or 420 counting only the distinct ones).

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

The square root of 23472144 is about 4844.8058784641. The cubic root of 23472144 is about 286.3194955945.

Adding to 23472144 its reverse (44127432), we get a palindrome (67599576).

The spelling of 23472144 in words is "twenty-three million, four hundred seventy-two thousand, one hundred forty-four".