345523099 has 2 divisors, whose sum is σ = 345523100. Its totient is φ = 345523098.

The previous prime is 345523049. The next prime is 345523109. The reversal of 345523099 is 990325543.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 345523099 - 2¹⁷ = 345392027 is a prime.

It is not a weakly prime, because it can be changed into another prime (345523019) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 172761549 + 172761550.

It is an arithmetic number, because the mean of its divisors is an integer number (172761550).

Almost surely, 2^345523099 is an apocalyptic number.

345523099 is a deficient number, since it is larger than the sum of its proper divisors (1).

345523099 is an equidigital number, since it uses as much as digits as its factorization.

345523099 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 145800, while the sum is 40.

The square root of 345523099 is about 18588.2516391402. The cubic root of 345523099 is about 701.7122024099.

The spelling of 345523099 in words is "three hundred forty-five million, five hundred twenty-three thousand, ninety-nine".