23132428 has 24 divisors (see below), whose sum is σ = 44352000. Its totient is φ = 10469520.

The previous prime is 23132423. The next prime is 23132449. The reversal of 23132428 is 82423132.

It is not an unprimeable number, because it can be changed into a prime (23132423) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10573 + ... + 12571.

It is an arithmetic number, because the mean of its divisors is an integer number (1848000).

Almost surely, 2^23132428 is an apocalyptic number.

It is an amenable number.

23132428 is a deficient number, since it is larger than the sum of its proper divisors (21219572).

23132428 is a wasteful number, since it uses less digits than its factorization.

23132428 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2277 (or 2275 counting only the distinct ones).

The product of its digits is 2304, while the sum is 25.

The square root of 23132428 is about 4809.6182800717. The cubic root of 23132428 is about 284.9314619226.

The spelling of 23132428 in words is "twenty-three million, one hundred thirty-two thousand, four hundred twenty-eight".