345423575377 has 2 divisors, whose sum is σ = 345423575378. Its totient is φ = 345423575376.

The previous prime is 345423575369. The next prime is 345423575489. The reversal of 345423575377 is 773575324543.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 318230246161 + 27193329216 = 564119^2 + 164904^2 .

It is a cyclic number.

It is not a de Polignac number, because 345423575377 - 2³ = 345423575369 is a prime.

It is not a weakly prime, because it can be changed into another prime (345423575177) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 172711787688 + 172711787689.

It is an arithmetic number, because the mean of its divisors is an integer number (172711787689).

Almost surely, 2^345423575377 is an apocalyptic number.

It is an amenable number.

345423575377 is a deficient number, since it is larger than the sum of its proper divisors (1).

345423575377 is an equidigital number, since it uses as much as digits as its factorization.

345423575377 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 37044000, while the sum is 55.

The spelling of 345423575377 in words is "three hundred forty-five billion, four hundred twenty-three million, five hundred seventy-five thousand, three hundred seventy-seven".