23128353 has 6 divisors (see below), whose sum is σ = 33407634. Its totient is φ = 15418896.

The previous prime is 23128337. The next prime is 23128373. The reversal of 23128353 is 35382132.

It can be written as a sum of positive squares in only one way, i.e., 12552849 + 10575504 = 3543^2 + 3252^2 .

It is not a de Polignac number, because 23128353 - 2⁴ = 23128337 is a prime.

It is not an unprimeable number, because it can be changed into a prime (23128373) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1284900 + ... + 1284917.

It is an arithmetic number, because the mean of its divisors is an integer number (5567939).

Almost surely, 2^23128353 is an apocalyptic number.

It is an amenable number.

23128353 is a deficient number, since it is larger than the sum of its proper divisors (10279281).

23128353 is a wasteful number, since it uses less digits than its factorization.

23128353 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2569823 (or 2569820 counting only the distinct ones).

The product of its digits is 4320, while the sum is 27.

The square root of 23128353 is about 4809.1946311207. The cubic root of 23128353 is about 284.9147297996.

The spelling of 23128353 in words is "twenty-three million, one hundred twenty-eight thousand, three hundred fifty-three".