23163144 has 16 divisors (see below), whose sum is σ = 57907920. Its totient is φ = 7721040.

The previous prime is 23163131. The next prime is 23163157. The reversal of 23163144 is 44136132.

It is an interprime number because it is at equal distance from previous prime (23163131) and next prime (23163157).

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: 965131 = 23163144 / (2 + 3 + 1 + 6 + 3 + 1 + 4 + 4).

It is a nude number because it is divisible by every one of its digits.

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, 482542 + ... + 482589.

It is an arithmetic number, because the mean of its divisors is an integer number (3619245).

Almost surely, 2^23163144 is an apocalyptic number.

23163144 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

23163144 is an abundant number, since it is smaller than the sum of its proper divisors (34744776).

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

23163144 is a wasteful number, since it uses less digits than its factorization.

23163144 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 965140 (or 965136 counting only the distinct ones).

The product of its digits is 1728, while the sum is 24.

The square root of 23163144 is about 4812.8104055739. The cubic root of 23163144 is about 285.0575199385.

Adding to 23163144 its reverse (44136132), we get a palindrome (67299276).

It can be divided in two parts, 2316 and 3144, that added together give a triangular number (5460 = T₁₀₄).

The spelling of 23163144 in words is "twenty-three million, one hundred sixty-three thousand, one hundred forty-four".