320123099 has 2 divisors, whose sum is σ = 320123100. Its totient is φ = 320123098.

The previous prime is 320123093. The next prime is 320123101. The reversal of 320123099 is 990321023.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 320123099 - 2¹² = 320119003 is a prime.

Together with 320123101, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (320123093) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 160061549 + 160061550.

It is an arithmetic number, because the mean of its divisors is an integer number (160061550).

Almost surely, 2^320123099 is an apocalyptic number.

320123099 is a deficient number, since it is larger than the sum of its proper divisors (1).

320123099 is an equidigital number, since it uses as much as digits as its factorization.

320123099 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2916, while the sum is 29.

The square root of 320123099 is about 17891.9842108135. The cubic root of 320123099 is about 684.0780742304.

The spelling of 320123099 in words is "three hundred twenty million, one hundred twenty-three thousand, ninety-nine".