23791488 has 128 divisors (see below), whose sum is σ = 74027520. Its totient is φ = 6629376.

The previous prime is 23791463. The next prime is 23791489. The reversal of 23791488 is 88419732.

It is a tau number, because it is divible by the number of its divisors (128).

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23791489) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 142381 + ... + 142547.

It is an arithmetic number, because the mean of its divisors is an integer number (578340).

Almost surely, 2^23791488 is an apocalyptic number.

23791488 is a gapful number since it is divisible by the number (28) 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 23791488, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (37013760).

23791488 is an abundant number, since it is smaller than the sum of its proper divisors (50236032).

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

23791488 is a wasteful number, since it uses less digits than its factorization.

23791488 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 244 (or 232 counting only the distinct ones).

The product of its digits is 96768, while the sum is 42.

The square root of 23791488 is about 4877.6518940982. The cubic root of 23791488 is about 287.6121321894.

The spelling of 23791488 in words is "twenty-three million, seven hundred ninety-one thousand, four hundred eighty-eight".