23128762 has 4 divisors (see below), whose sum is σ = 34693146. Its totient is φ = 11564380.

The previous prime is 23128733. The next prime is 23128793. The reversal of 23128762 is 26782132.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 20875761 + 2253001 = 4569^2 + 1501^2 .

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5782189 + ... + 5782192.

Almost surely, 2^23128762 is an apocalyptic number.

23128762 is a deficient number, since it is larger than the sum of its proper divisors (11564384).

23128762 is a wasteful number, since it uses less digits than its factorization.

23128762 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11564383.

The product of its digits is 8064, while the sum is 31.

The square root of 23128762 is about 4809.2371536451. The cubic root of 23128762 is about 284.9164092597.

The spelling of 23128762 in words is "twenty-three million, one hundred twenty-eight thousand, seven hundred sixty-two".