23769144 has 48 divisors (see below), whose sum is σ = 73572720. Its totient is φ = 6791040.

The previous prime is 23769131. The next prime is 23769191. The reversal of 23769144 is 44196732.

It is a Harshad number since it is a multiple of its sum of digits (36).

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

It is a junction number, because it is equal to n+sod(n) for n = 23769099 and 23769108.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 23077 + ... + 24084.

It is an arithmetic number, because the mean of its divisors is an integer number (1532765).

Almost surely, 2^23769144 is an apocalyptic number.

23769144 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

23769144 is an abundant number, since it is smaller than the sum of its proper divisors (49803576).

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

23769144 is a wasteful number, since it uses less digits than its factorization.

23769144 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 47180 (or 47173 counting only the distinct ones).

The product of its digits is 36288, while the sum is 36.

The square root of 23769144 is about 4875.3609097174. The cubic root of 23769144 is about 287.5220661072.

The spelling of 23769144 in words is "twenty-three million, seven hundred sixty-nine thousand, one hundred forty-four".