23098728 has 16 divisors (see below), whose sum is σ = 57746880. Its totient is φ = 7699568.

The previous prime is 23098723. The next prime is 23098741. The reversal of 23098728 is 82789032.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23098723) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 481200 + ... + 481247.

It is an arithmetic number, because the mean of its divisors is an integer number (3609180).

Almost surely, 2^23098728 is an apocalyptic number.

It is an amenable number.

23098728 is an abundant number, since it is smaller than the sum of its proper divisors (34648152).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

23098728 is a wasteful number, since it uses less digits than its factorization.

23098728 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 962456 (or 962452 counting only the distinct ones).

The product of its (nonzero) digits is 48384, while the sum is 39.

The square root of 23098728 is about 4806.1136066473. The cubic root of 23098728 is about 284.7930291712.

The spelling of 23098728 in words is "twenty-three million, ninety-eight thousand, seven hundred twenty-eight".