23198967 has 42 divisors (see below), whose sum is σ = 38377416. Its totient is φ = 14006520.

The previous prime is 23198953. The next prime is 23199017. The reversal of 23198967 is 76989132.

It is not a de Polignac number, because 23198967 - 2⁷ = 23198839 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23198167) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 41 ways as a sum of consecutive naturals, for example, 88078 + ... + 88340.

It is an arithmetic number, because the mean of its divisors is an integer number (913748).

Almost surely, 2^23198967 is an apocalyptic number.

23198967 is a gapful number since it is divisible by the number (27) formed by its first and last digit.

23198967 is a deficient number, since it is larger than the sum of its proper divisors (15178449).

23198967 is an equidigital number, since it uses as much as digits as its factorization.

23198967 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 303 (or 277 counting only the distinct ones).

The product of its digits is 163296, while the sum is 45.

The square root of 23198967 is about 4816.5305978474. The cubic root of 23198967 is about 285.2043963123.

The spelling of 23198967 in words is "twenty-three million, one hundred ninety-eight thousand, nine hundred sixty-seven".