34345531523 has 4 divisors (see below), whose sum is σ = 34495512240. Its totient is φ = 34195550808.

The previous prime is 34345531487. The next prime is 34345531547. The reversal of 34345531523 is 32513554343.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 34345531523 - 2²⁴ = 34328754307 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (34345531573) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 74990015 + ... + 74990472.

It is an arithmetic number, because the mean of its divisors is an integer number (8623878060).

Almost surely, 2^34345531523 is an apocalyptic number.

34345531523 is a deficient number, since it is larger than the sum of its proper divisors (149980717).

34345531523 is a wasteful number, since it uses less digits than its factorization.

34345531523 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 149980716.

The product of its digits is 324000, while the sum is 38.

The spelling of 34345531523 in words is "thirty-four billion, three hundred forty-five million, five hundred thirty-one thousand, five hundred twenty-three".