345452413056523 has 2 divisors, whose sum is σ = 345452413056524. Its totient is φ = 345452413056522.

The previous prime is 345452413056467. The next prime is 345452413056559. The reversal of 345452413056523 is 325650314254543.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 345452413056523 - 2³⁷ = 345314974103051 is a prime.

It is not a weakly prime, because it can be changed into another prime (345452413086523) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 172726206528261 + 172726206528262.

It is an arithmetic number, because the mean of its divisors is an integer number (172726206528262).

Almost surely, 2^{345452413056523} is an apocalyptic number.

345452413056523 is a deficient number, since it is larger than the sum of its proper divisors (1).

345452413056523 is an equidigital number, since it uses as much as digits as its factorization.

345452413056523 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 25920000, while the sum is 52.

The spelling of 345452413056523 in words is "three hundred forty-five trillion, four hundred fifty-two billion, four hundred thirteen million, fifty-six thousand, five hundred twenty-three".