799822123 has 2 divisors, whose sum is σ = 799822124. Its totient is φ = 799822122.

The previous prime is 799822097. The next prime is 799822141. The reversal of 799822123 is 321228997.

It is a strong prime.

It is an emirp because it is prime and its reverse (321228997) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 799822123 - 2⁹ = 799821611 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 799822123.

It is not a weakly prime, because it can be changed into another prime (799822183) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 399911061 + 399911062.

It is an arithmetic number, because the mean of its divisors is an integer number (399911062).

Almost surely, 2^799822123 is an apocalyptic number.

799822123 is a deficient number, since it is larger than the sum of its proper divisors (1).

799822123 is an equidigital number, since it uses as much as digits as its factorization.

799822123 is an evil number, because the sum of its binary digits is even.

The product of its digits is 108864, while the sum is 43.

The square root of 799822123 is about 28281.1266218303. The cubic root of 799822123 is about 928.2489589645.

The spelling of 799822123 in words is "seven hundred ninety-nine million, eight hundred twenty-two thousand, one hundred twenty-three".