23143628 has 12 divisors (see below), whose sum is σ = 41056680. Its totient is φ = 11413152.

The previous prime is 23143607. The next prime is 23143667. The reversal of 23143628 is 82634132.

It is a self number, because there is not a number n which added to its sum of digits gives 23143628.

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, 39338 + ... + 39921.

It is an arithmetic number, because the mean of its divisors is an integer number (3421390).

Almost surely, 2^23143628 is an apocalyptic number.

It is an amenable number.

23143628 is a deficient number, since it is larger than the sum of its proper divisors (17913052).

23143628 is a wasteful number, since it uses less digits than its factorization.

23143628 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 79336 (or 79334 counting only the distinct ones).

The product of its digits is 6912, while the sum is 29.

The square root of 23143628 is about 4810.7824727377. The cubic root of 23143628 is about 284.9774394781.

The spelling of 23143628 in words is "twenty-three million, one hundred forty-three thousand, six hundred twenty-eight".