345325121523543 has 32 divisors (see below), whose sum is σ = 530917856637952. Its totient is φ = 195569121600000.

The previous prime is 345325121523527. The next prime is 345325121523587.

345325121523543 is nontrivially palindromic in base 10.

It is not a de Polignac number, because 345325121523543 - 2⁴ = 345325121523527 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 345325121523492 and 345325121523501.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (345325121523593) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 124378708 + ... + 127124793.

It is an arithmetic number, because the mean of its divisors is an integer number (16591183019936).

Almost surely, 2^{345325121523543} is an apocalyptic number.

345325121523543 is a deficient number, since it is larger than the sum of its proper divisors (185592735114409).

345325121523543 is a wasteful number, since it uses less digits than its factorization.

345325121523543 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 251504095.

The product of its digits is 6480000, while the sum is 48.

The spelling of 345325121523543 in words is "three hundred forty-five trillion, three hundred twenty-five billion, one hundred twenty-one million, five hundred twenty-three thousand, five hundred forty-three".