23528196 has 18 divisors (see below), whose sum is σ = 59474142. Its totient is φ = 7842720.

The previous prime is 23528191. The next prime is 23528207. The reversal of 23528196 is 69182532.

It can be written as a sum of positive squares in only one way, i.e., 13793796 + 9734400 = 3714^2 + 3120^2 .

It is a tau number, because it is divible by the number of its divisors (18).

It is a Smith number, since the sum of its digits (36) coincides with the sum of the digits of its prime factors.

It is a Harshad number since it is a multiple of its sum of digits (36), and also a Moran number because the ratio is a prime number: 653561 = 23528196 / (2 + 3 + 5 + 2 + 8 + 1 + 9 + 6).

It is a self number, because there is not a number n which added to its sum of digits gives 23528196.

It is not an unprimeable number, because it can be changed into a prime (23528191) 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, 326745 + ... + 326816.

It is an arithmetic number, because the mean of its divisors is an integer number (3304119).

Almost surely, 2^23528196 is an apocalyptic number.

It is an amenable number.

23528196 is an abundant number, since it is smaller than the sum of its proper divisors (35945946).

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

23528196 is a wasteful number, since it uses less digits than its factorization.

23528196 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 653571 (or 653566 counting only the distinct ones).

The product of its digits is 25920, while the sum is 36.

The square root of 23528196 is about 4850.5871809504. The cubic root of 23528196 is about 286.5472268482.

The spelling of 23528196 in words is "twenty-three million, five hundred twenty-eight thousand, one hundred ninety-six".