23916144 has 160 divisors (see below), whose sum is σ = 77137920. Its totient is φ = 6230016.

The previous prime is 23916133. The next prime is 23916149. The reversal of 23916144 is 44161932.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23916149) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 302697 + ... + 302775.

It is an arithmetic number, because the mean of its divisors is an integer number (482112).

Almost surely, 2^23916144 is an apocalyptic number.

23916144 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 23916144, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (38568960).

23916144 is an abundant number, since it is smaller than the sum of its proper divisors (53221776).

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

23916144 is a wasteful number, since it uses less digits than its factorization.

23916144 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 167 (or 161 counting only the distinct ones).

The product of its digits is 5184, while the sum is 30.

The square root of 23916144 is about 4890.4134794514. The cubic root of 23916144 is about 288.1135740329.

The spelling of 23916144 in words is "twenty-three million, nine hundred sixteen thousand, one hundred forty-four".