345123271063 has 2 divisors, whose sum is σ = 345123271064. Its totient is φ = 345123271062.

The previous prime is 345123271027. The next prime is 345123271159. The reversal of 345123271063 is 360172321543.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 345123271063 - 2³³ = 336533336471 is a prime.

It is a super-2 number, since 2×345123271063² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (345123271763) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 172561635531 + 172561635532.

It is an arithmetic number, because the mean of its divisors is an integer number (172561635532).

Almost surely, 2^345123271063 is an apocalyptic number.

345123271063 is a deficient number, since it is larger than the sum of its proper divisors (1).

345123271063 is an equidigital number, since it uses as much as digits as its factorization.

345123271063 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 90720, while the sum is 37.

The spelling of 345123271063 in words is "three hundred forty-five billion, one hundred twenty-three million, two hundred seventy-one thousand, sixty-three".