23140532 has 12 divisors (see below), whose sum is σ = 40595520. Its totient is φ = 11541816.

The previous prime is 23140531. The next prime is 23140571. The reversal of 23140532 is 23504132.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23140531) 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, 5228 + ... + 8579.

It is an arithmetic number, because the mean of its divisors is an integer number (3382960).

Almost surely, 2^23140532 is an apocalyptic number.

It is an amenable number.

23140532 is a deficient number, since it is larger than the sum of its proper divisors (17454988).

23140532 is a wasteful number, since it uses less digits than its factorization.

23140532 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14230 (or 14228 counting only the distinct ones).

The product of its (nonzero) digits is 720, while the sum is 20.

The square root of 23140532 is about 4810.4606847993. The cubic root of 23140532 is about 284.9647314519.

Adding to 23140532 its reverse (23504132), we get a palindrome (46644664).

The spelling of 23140532 in words is "twenty-three million, one hundred forty thousand, five hundred thirty-two".