23268040 has 16 divisors (see below), whose sum is σ = 52353180. Its totient is φ = 9307200.

The previous prime is 23268029. The next prime is 23268041. The reversal of 23268040 is 4086232.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 22071204 + 1196836 = 4698^2 + 1094^2 .

It is a junction number, because it is equal to n+sod(n) for n = 23267996 and 23268014.

It is not an unprimeable number, because it can be changed into a prime (23268041) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 290811 + ... + 290890.

Almost surely, 2^23268040 is an apocalyptic number.

23268040 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

23268040 is an abundant number, since it is smaller than the sum of its proper divisors (29085140).

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

23268040 is a wasteful number, since it uses less digits than its factorization.

23268040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 581712 (or 581708 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 25.

The square root of 23268040 is about 4823.6956786265. The cubic root of 23268040 is about 285.4871733272.

The spelling of 23268040 in words is "twenty-three million, two hundred sixty-eight thousand, forty".