23198194 has 4 divisors (see below), whose sum is σ = 34797294. Its totient is φ = 11599096.

The previous prime is 23198171. The next prime is 23198207. The reversal of 23198194 is 49189132.

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

It can be written as a sum of positive squares in only one way, i.e., 12341169 + 10857025 = 3513^2 + 3295^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5799547 + ... + 5799550.

Almost surely, 2^23198194 is an apocalyptic number.

23198194 is a deficient number, since it is larger than the sum of its proper divisors (11599100).

23198194 is a wasteful number, since it uses less digits than its factorization.

23198194 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11599099.

The product of its digits is 15552, while the sum is 37.

The square root of 23198194 is about 4816.4503526975. The cubic root of 23198194 is about 285.2012285642.

The spelling of 23198194 in words is "twenty-three million, one hundred ninety-eight thousand, one hundred ninety-four".