23128798 has 32 divisors (see below), whose sum is σ = 43711488. Its totient is φ = 8916000.

The previous prime is 23128793. The next prime is 23128813. The reversal of 23128798 is 89782132.

It is a self number, because there is not a number n which added to its sum of digits gives 23128798.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23128793) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 14811 + ... + 16297.

It is an arithmetic number, because the mean of its divisors is an integer number (1365984).

Almost surely, 2^23128798 is an apocalyptic number.

23128798 is a deficient number, since it is larger than the sum of its proper divisors (20582690).

23128798 is a wasteful number, since it uses less digits than its factorization.

23128798 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1608.

The product of its digits is 48384, while the sum is 40.

The square root of 23128798 is about 4809.2408964409. The cubic root of 23128798 is about 284.9165570840.

It can be divided in two parts, 23 and 128798, that added together give a palindrome (128821).

The spelling of 23128798 in words is "twenty-three million, one hundred twenty-eight thousand, seven hundred ninety-eight".