345326727623743 has 2 divisors, whose sum is σ = 345326727623744. Its totient is φ = 345326727623742.

The previous prime is 345326727623741. The next prime is 345326727623749. The reversal of 345326727623743 is 347326727623543.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 345326727623743 - 2¹ = 345326727623741 is a prime.

It is a super-2 number, since 2×345326727623743² (a number of 30 digits) contains 22 as substring.

Together with 345326727623741, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (345326727623741) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 172663363811871 + 172663363811872.

It is an arithmetic number, because the mean of its divisors is an integer number (172663363811872).

Almost surely, 2^{345326727623743} is an apocalyptic number.

345326727623743 is a deficient number, since it is larger than the sum of its proper divisors (1).

345326727623743 is an equidigital number, since it uses as much as digits as its factorization.

345326727623743 is an evil number, because the sum of its binary digits is even.

The product of its digits is 640120320, while the sum is 64.

The spelling of 345326727623743 in words is "three hundred forty-five trillion, three hundred twenty-six billion, seven hundred twenty-seven million, six hundred twenty-three thousand, seven hundred forty-three".