345452413052523 has 64 divisors (see below), whose sum is σ = 533236791859200. Its totient is φ = 194846897710080.

The previous prime is 345452413052497. The next prime is 345452413052561. The reversal of 345452413052523 is 325250314254543.

It is a happy number.

It is not a de Polignac number, because 345452413052523 - 2²⁵ = 345452379498091 is a prime.

It is not an unprimeable number, because it can be changed into a prime (345452413056523) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 2625331593 + ... + 2625463173.

It is an arithmetic number, because the mean of its divisors is an integer number (8331824872800).

Almost surely, 2^{345452413052523} is an apocalyptic number.

345452413052523 is a deficient number, since it is larger than the sum of its proper divisors (187784378806677).

345452413052523 is a wasteful number, since it uses less digits than its factorization.

345452413052523 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 134092.

The product of its (nonzero) digits is 8640000, while the sum is 48.

The spelling of 345452413052523 in words is "three hundred forty-five trillion, four hundred fifty-two billion, four hundred thirteen million, fifty-two thousand, five hundred twenty-three".