23199355 has 4 divisors (see below), whose sum is σ = 27839232. Its totient is φ = 18559480.

The previous prime is 23199347. The next prime is 23199389. The reversal of 23199355 is 55399132.

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

It is not a de Polignac number, because 23199355 - 2³ = 23199347 is a prime.

It is a Duffinian number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 2319931 + ... + 2319940.

It is an arithmetic number, because the mean of its divisors is an integer number (6959808).

Almost surely, 2^23199355 is an apocalyptic number.

23199355 is a deficient number, since it is larger than the sum of its proper divisors (4639877).

23199355 is an equidigital number, since it uses as much as digits as its factorization.

23199355 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4639876.

The product of its digits is 36450, while the sum is 37.

The square root of 23199355 is about 4816.5708756334. The cubic root of 23199355 is about 285.2059863068.

The spelling of 23199355 in words is "twenty-three million, one hundred ninety-nine thousand, three hundred fifty-five".