23024140 has 24 divisors (see below), whose sum is σ = 48444480. Its totient is φ = 9191808.

The previous prime is 23024129. The next prime is 23024147. The reversal of 23024140 is 4142032.

It is a super-2 number, since 2×23024140² = 1060222045479200, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (23024147) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 15469 + ... + 16891.

It is an arithmetic number, because the mean of its divisors is an integer number (2018520).

Almost surely, 2^23024140 is an apocalyptic number.

23024140 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

23024140 is an abundant number, since it is smaller than the sum of its proper divisors (25420340).

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

23024140 is a wasteful number, since it uses less digits than its factorization.

23024140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2241 (or 2239 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 16.

The square root of 23024140 is about 4798.3476322584. The cubic root of 23024140 is about 284.4861573257.

Adding to 23024140 its reverse (4142032), we get a palindrome (27166172).

The spelling of 23024140 in words is "twenty-three million, twenty-four thousand, one hundred forty".