3445312066523 has 2 divisors, whose sum is σ = 3445312066524. Its totient is φ = 3445312066522.

The previous prime is 3445312066517. The next prime is 3445312066591. The reversal of 3445312066523 is 3256602135443.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 3445312066523 - 2²⁰ = 3445311017947 is a prime.

It is not a weakly prime, because it can be changed into another prime (3445312006523) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1722656033261 + 1722656033262.

It is an arithmetic number, because the mean of its divisors is an integer number (1722656033262).

Almost surely, 2^{3445312066523} is an apocalyptic number.

3445312066523 is a deficient number, since it is larger than the sum of its proper divisors (1).

3445312066523 is an equidigital number, since it uses as much as digits as its factorization.

3445312066523 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1555200, while the sum is 44.

The spelling of 3445312066523 in words is "three trillion, four hundred forty-five billion, three hundred twelve million, sixty-six thousand, five hundred twenty-three".