23995240 has 64 divisors (see below), whose sum is σ = 57346560. Its totient is φ = 9020160.

The previous prime is 23995229. The next prime is 23995243. The reversal of 23995240 is 4259932.

It is a junction number, because it is equal to n+sod(n) for n = 23995196 and 23995205.

It is not an unprimeable number, because it can be changed into a prime (23995243) 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, 45619 + ... + 46141.

It is an arithmetic number, because the mean of its divisors is an integer number (896040).

Almost surely, 2^23995240 is an apocalyptic number.

23995240 is a gapful number since it is divisible by the number (20) 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 23995240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (28673280).

23995240 is an abundant number, since it is smaller than the sum of its proper divisors (33351320).

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

23995240 is a wasteful number, since it uses less digits than its factorization.

23995240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 602 (or 598 counting only the distinct ones).

The product of its (nonzero) digits is 19440, while the sum is 34.

The square root of 23995240 is about 4898.4936460100. The cubic root of 23995240 is about 288.4308430563.

The spelling of 23995240 in words is "twenty-three million, nine hundred ninety-five thousand, two hundred forty".