23140132 has 12 divisors (see below), whose sum is σ = 40744816. Its totient is φ = 11498760.

The previous prime is 23140123. The next prime is 23140163. The reversal of 23140132 is 23104132.

It is a happy number.

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, 17094 + ... + 18397.

Almost surely, 2^23140132 is an apocalyptic number.

It is an amenable number.

23140132 is a deficient number, since it is larger than the sum of its proper divisors (17604684).

23140132 is a wasteful number, since it uses less digits than its factorization.

23140132 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35658 (or 35656 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 16.

The square root of 23140132 is about 4810.4191085601. The cubic root of 23140132 is about 284.9630895053.

Adding to 23140132 its reverse (23104132), we get a palindrome (46244264).

The spelling of 23140132 in words is "twenty-three million, one hundred forty thousand, one hundred thirty-two".