340423099 has 2 divisors, whose sum is σ = 340423100. Its totient is φ = 340423098.

The previous prime is 340423091. The next prime is 340423117. The reversal of 340423099 is 990324043.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 340423099 - 2³ = 340423091 is a prime.

It is not a weakly prime, because it can be changed into another prime (340423091) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 170211549 + 170211550.

It is an arithmetic number, because the mean of its divisors is an integer number (170211550).

Almost surely, 2^340423099 is an apocalyptic number.

340423099 is a deficient number, since it is larger than the sum of its proper divisors (1).

340423099 is an equidigital number, since it uses as much as digits as its factorization.

340423099 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 23328, while the sum is 34.

The square root of 340423099 is about 18450.5582300374. The cubic root of 340423099 is about 698.2425977251.

The spelling of 340423099 in words is "three hundred forty million, four hundred twenty-three thousand, ninety-nine".