23198256 has 60 divisors (see below), whose sum is σ = 65866320. Its totient is φ = 7620480.

The previous prime is 23198249. The next prime is 23198293. The reversal of 23198256 is 65289132.

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 23198256.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 9090 + ... + 11358.

It is an arithmetic number, because the mean of its divisors is an integer number (1097772).

Almost surely, 2^23198256 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 23198256, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (32933160).

23198256 is an abundant number, since it is smaller than the sum of its proper divisors (42668064).

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

23198256 is a wasteful number, since it uses less digits than its factorization.

23198256 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2354 (or 2345 counting only the distinct ones).

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

The square root of 23198256 is about 4816.4567889684. The cubic root of 23198256 is about 285.2014826424.

The spelling of 23198256 in words is "twenty-three million, one hundred ninety-eight thousand, two hundred fifty-six".