23523144 has 16 divisors (see below), whose sum is σ = 58807920. Its totient is φ = 7841040.

The previous prime is 23523139. The next prime is 23523151. The reversal of 23523144 is 44132532.

It is a Harshad number since it is a multiple of its sum of digits (24), and also a Moran number because the ratio is a prime number: 980131 = 23523144 / (2 + 3 + 5 + 2 + 3 + 1 + 4 + 4).

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 490042 + ... + 490089.

It is an arithmetic number, because the mean of its divisors is an integer number (3675495).

Almost surely, 2^23523144 is an apocalyptic number.

23523144 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

23523144 is an abundant number, since it is smaller than the sum of its proper divisors (35284776).

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

23523144 is a wasteful number, since it uses less digits than its factorization.

23523144 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 980140 (or 980136 counting only the distinct ones).

The product of its digits is 2880, while the sum is 24.

The square root of 23523144 is about 4850.0663912982. The cubic root of 23523144 is about 286.5267161354.

Adding to 23523144 its reverse (44132532), we get a palindrome (67655676).

The spelling of 23523144 in words is "twenty-three million, five hundred twenty-three thousand, one hundred forty-four".