23198895 has 48 divisors (see below), whose sum is σ = 41850432. Its totient is φ = 11880960.

The previous prime is 23198893. The next prime is 23198899. The reversal of 23198895 is 59889132.

It is a happy number.

It is not a de Polignac number, because 23198895 - 2¹ = 23198893 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a self number, because there is not a number n which added to its sum of digits gives 23198895.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23198891) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 169267 + ... + 169403.

It is an arithmetic number, because the mean of its divisors is an integer number (871884).

Almost surely, 2^23198895 is an apocalyptic number.

23198895 is a deficient number, since it is larger than the sum of its proper divisors (18651537).

23198895 is a wasteful number, since it uses less digits than its factorization.

23198895 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 272 (or 269 counting only the distinct ones).

The product of its digits is 155520, while the sum is 45.

The square root of 23198895 is about 4816.5231235820. The cubic root of 23198895 is about 285.2041012598.

The spelling of 23198895 in words is "twenty-three million, one hundred ninety-eight thousand, eight hundred ninety-five".