23140522 has 16 divisors (see below), whose sum is σ = 35400960. Its totient is φ = 11342448.

The previous prime is 23140501. The next prime is 23140531. The reversal of 23140522 is 22504132.

It is a self number, because there is not a number n which added to its sum of digits gives 23140522.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 25948 + ... + 26824.

It is an arithmetic number, because the mean of its divisors is an integer number (2212560).

Almost surely, 2^23140522 is an apocalyptic number.

23140522 is a deficient number, since it is larger than the sum of its proper divisors (12260438).

23140522 is a wasteful number, since it uses less digits than its factorization.

23140522 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1125.

The product of its (nonzero) digits is 480, while the sum is 19.

The square root of 23140522 is about 4810.4596453977. The cubic root of 23140522 is about 284.9646904034.

Adding to 23140522 its reverse (22504132), we get a palindrome (45644654).

The spelling of 23140522 in words is "twenty-three million, one hundred forty thousand, five hundred twenty-two".