23140364 has 48 divisors (see below), whose sum is σ = 45534720. Its totient is φ = 10221120.

The previous prime is 23140357. The next prime is 23140379. The reversal of 23140364 is 46304132.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 176579 + ... + 176709.

It is an arithmetic number, because the mean of its divisors is an integer number (948640).

Almost surely, 2^23140364 is an apocalyptic number.

It is an amenable number.

23140364 is a deficient number, since it is larger than the sum of its proper divisors (22394356).

23140364 is a wasteful number, since it uses less digits than its factorization.

23140364 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 270 (or 268 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 23.

The square root of 23140364 is about 4810.4432228226. The cubic root of 23140364 is about 284.9640418366.

Adding to 23140364 its reverse (46304132), we get a palindrome (69444496).

The spelling of 23140364 in words is "twenty-three million, one hundred forty thousand, three hundred sixty-four".