23044040 has 16 divisors (see below), whose sum is σ = 51849180. Its totient is φ = 9217600.

The previous prime is 23044033. The next prime is 23044051. The reversal of 23044040 is 4044032.

It can be written as a sum of positive squares in 2 ways, for example, as 22335076 + 708964 = 4726^2 + 842^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 288011 + ... + 288090.

Almost surely, 2^23044040 is an apocalyptic number.

23044040 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

23044040 is an abundant number, since it is smaller than the sum of its proper divisors (28805140).

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

23044040 is a wasteful number, since it uses less digits than its factorization.

23044040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 576112 (or 576108 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 17.

The square root of 23044040 is about 4800.4208148870. The cubic root of 23044040 is about 284.5680951568.

Adding to 23044040 its reverse (4044032), we get a palindrome (27088072).

The spelling of 23044040 in words is "twenty-three million, forty-four thousand, forty".