23028057 has 40 divisors (see below), whose sum is σ = 39029760. Its totient is φ = 13413600.

The previous prime is 23028053. The next prime is 23028077. The reversal of 23028057 is 75082032.

It is not a de Polignac number, because 23028057 - 2² = 23028053 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a self number, because there is not a number n which added to its sum of digits gives 23028057.

It is not an unprimeable number, because it can be changed into a prime (23028053) by changing a digit.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 19432 + ... + 20582.

It is an arithmetic number, because the mean of its divisors is an integer number (975744).

Almost surely, 2^23028057 is an apocalyptic number.

23028057 is a gapful number since it is divisible by the number (27) formed by its first and last digit.

It is an amenable number.

23028057 is a deficient number, since it is larger than the sum of its proper divisors (16001703).

23028057 is a wasteful number, since it uses less digits than its factorization.

23028057 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1195 (or 1186 counting only the distinct ones).

The product of its (nonzero) digits is 3360, while the sum is 27.

The square root of 23028057 is about 4798.7557762403. The cubic root of 23028057 is about 284.5022892217.

The spelling of 23028057 in words is "twenty-three million, twenty-eight thousand, fifty-seven".