23090198 has 4 divisors (see below), whose sum is σ = 34635300. Its totient is φ = 11545098.

The previous prime is 23090167. The next prime is 23090201. The reversal of 23090198 is 89109032.

It is a semiprime because it is the product of two primes.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5772548 + ... + 5772551.

It is an arithmetic number, because the mean of its divisors is an integer number (8658825).

Almost surely, 2^23090198 is an apocalyptic number.

23090198 is a deficient number, since it is larger than the sum of its proper divisors (11545102).

23090198 is a wasteful number, since it uses less digits than its factorization.

23090198 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11545101.

The product of its (nonzero) digits is 3888, while the sum is 32.

The square root of 23090198 is about 4805.2261133062. The cubic root of 23090198 is about 284.7579683137.

The spelling of 23090198 in words is "twenty-three million, ninety thousand, one hundred ninety-eight".