23028158 has 4 divisors (see below), whose sum is σ = 34542240. Its totient is φ = 11514078.

The previous prime is 23028139. The next prime is 23028163. The reversal of 23028158 is 85182032.

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

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 23028158.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5757038 + ... + 5757041.

It is an arithmetic number, because the mean of its divisors is an integer number (8635560).

Almost surely, 2^23028158 is an apocalyptic number.

23028158 is a deficient number, since it is larger than the sum of its proper divisors (11514082).

23028158 is a wasteful number, since it uses less digits than its factorization.

23028158 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11514081.

The product of its (nonzero) digits is 3840, while the sum is 29.

The square root of 23028158 is about 4798.7662997900. The cubic root of 23028158 is about 284.5027051591.

The spelling of 23028158 in words is "twenty-three million, twenty-eight thousand, one hundred fifty-eight".