345206232073 has 2 divisors, whose sum is σ = 345206232074. Its totient is φ = 345206232072.

The previous prime is 345206232043. The next prime is 345206232089. The reversal of 345206232073 is 370232602543.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 344365927929 + 840304144 = 586827^2 + 28988^2 .

It is a cyclic number.

It is not a de Polignac number, because 345206232073 - 2³⁷ = 207767278601 is a prime.

It is not a weakly prime, because it can be changed into another prime (345206232043) 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, 172603116036 + 172603116037.

It is an arithmetic number, because the mean of its divisors is an integer number (172603116037).

Almost surely, 2^345206232073 is an apocalyptic number.

It is an amenable number.

345206232073 is a deficient number, since it is larger than the sum of its proper divisors (1).

345206232073 is an equidigital number, since it uses as much as digits as its factorization.

345206232073 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 181440, while the sum is 37.

The spelling of 345206232073 in words is "three hundred forty-five billion, two hundred six million, two hundred thirty-two thousand, seventy-three".