23143198 has 32 divisors (see below), whose sum is σ = 39412800. Its totient is φ = 10172448.

The previous prime is 23143181. The next prime is 23143199. The reversal of 23143198 is 89134132.

It is a super-2 number, since 2×23143198² = 1071215227334408, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23143199) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 100948 + ... + 101176.

It is an arithmetic number, because the mean of its divisors is an integer number (1231650).

Almost surely, 2^23143198 is an apocalyptic number.

23143198 is a deficient number, since it is larger than the sum of its proper divisors (16269602).

23143198 is a wasteful number, since it uses less digits than its factorization.

23143198 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 293 (or 267 counting only the distinct ones).

The product of its digits is 5184, while the sum is 31.

The square root of 23143198 is about 4810.7377812556. The cubic root of 23143198 is about 284.9756745423.

The spelling of 23143198 in words is "twenty-three million, one hundred forty-three thousand, one hundred ninety-eight".