23199998 has 4 divisors (see below), whose sum is σ = 34800000. Its totient is φ = 11599998.

The previous prime is 23199989. The next prime is 23200027. The reversal of 23199998 is 89999132.

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

It is a congruent number.

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 5799998 + ... + 5800001.

It is an arithmetic number, because the mean of its divisors is an integer number (8700000).

Almost surely, 2^23199998 is an apocalyptic number.

23199998 is a deficient number, since it is larger than the sum of its proper divisors (11600002).

23199998 is a wasteful number, since it uses less digits than its factorization.

23199998 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11600001.

The product of its digits is 314928, while the sum is 50.

The square root of 23199998 is about 4816.6376239032. The cubic root of 23199998 is about 285.2086212328.

It can be divided in two parts, 23 and 199998, that multiplied together give a palindrome (4599954).

The spelling of 23199998 in words is "twenty-three million, one hundred ninety-nine thousand, nine hundred ninety-eight".