79099123 has 2 divisors, whose sum is σ = 79099124. Its totient is φ = 79099122.

The previous prime is 79099103. The next prime is 79099129. The reversal of 79099123 is 32199097.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 79099123 - 2²¹ = 77001971 is a prime.

It is not a weakly prime, because it can be changed into another prime (79099129) by changing a digit.

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 as a sum of consecutive naturals, namely, 39549561 + 39549562.

It is an arithmetic number, because the mean of its divisors is an integer number (39549562).

Almost surely, 2^79099123 is an apocalyptic number.

79099123 is a deficient number, since it is larger than the sum of its proper divisors (1).

79099123 is an equidigital number, since it uses as much as digits as its factorization.

79099123 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 30618, while the sum is 40.

The square root of 79099123 is about 8893.7687736977. The cubic root of 79099123 is about 429.2634280246.

The spelling of 79099123 in words is "seventy-nine million, ninety-nine thousand, one hundred twenty-three".