23098356 has 36 divisors (see below), whose sum is σ = 58558500. Its totient is φ = 7676928.

The previous prime is 23098351. The next prime is 23098363. The reversal of 23098356 is 65389032.

It can be written as a sum of positive squares in 2 ways, for example, as 6937956 + 16160400 = 2634^2 + 4020^2 .

It is a tau number, because it is divible by the number of its divisors (36).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a self number, because there is not a number n which added to its sum of digits gives 23098356.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23098351) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 15450 + ... + 16878.

It is an arithmetic number, because the mean of its divisors is an integer number (1626625).

Almost surely, 2^23098356 is an apocalyptic number.

It is an amenable number.

23098356 is an abundant number, since it is smaller than the sum of its proper divisors (35460144).

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

23098356 is a wasteful number, since it uses less digits than its factorization.

23098356 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1888 (or 1883 counting only the distinct ones).

The product of its (nonzero) digits is 38880, while the sum is 36.

The square root of 23098356 is about 4806.0749057833. The cubic root of 23098356 is about 284.7915003197.

The spelling of 23098356 in words is "twenty-three million, ninety-eight thousand, three hundred fifty-six".