23240132 has 12 divisors (see below), whose sum is σ = 40968060. Its totient is φ = 11534976.

The previous prime is 23240131. The next prime is 23240149. The reversal of 23240132 is 23104232.

It can be written as a sum of positive squares in 2 ways, for example, as 14853316 + 8386816 = 3854^2 + 2896^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 23240132.

It is not an unprimeable number, because it can be changed into a prime (23240131) 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, 20657 + ... + 21752.

It is an arithmetic number, because the mean of its divisors is an integer number (3414005).

Almost surely, 2^23240132 is an apocalyptic number.

It is an amenable number.

23240132 is a deficient number, since it is larger than the sum of its proper divisors (17727928).

23240132 is a wasteful number, since it uses less digits than its factorization.

23240132 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42550 (or 42548 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 17.

The square root of 23240132 is about 4820.8020079651. The cubic root of 23240132 is about 285.3729886122.

Adding to 23240132 its reverse (23104232), we get a palindrome (46344364).

The spelling of 23240132 in words is "twenty-three million, two hundred forty thousand, one hundred thirty-two".