23078199 has 4 divisors (see below), whose sum is σ = 30770936. Its totient is φ = 15385464.

The previous prime is 23078189. The next prime is 23078201. The reversal of 23078199 is 99187032.

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

It is not a de Polignac number, because 23078199 - 2⁴ = 23078183 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23078119) 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 3 ways as a sum of consecutive naturals, for example, 3846364 + ... + 3846369.

It is an arithmetic number, because the mean of its divisors is an integer number (7692734).

Almost surely, 2^23078199 is an apocalyptic number.

23078199 is a deficient number, since it is larger than the sum of its proper divisors (7692737).

23078199 is an equidigital number, since it uses as much as digits as its factorization.

23078199 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7692736.

The product of its (nonzero) digits is 27216, while the sum is 39.

The square root of 23078199 is about 4803.9774146014. The cubic root of 23078199 is about 284.7086342068.

The spelling of 23078199 in words is "twenty-three million, seventy-eight thousand, one hundred ninety-nine".