34045131523 has 4 divisors (see below), whose sum is σ = 36663987808. Its totient is φ = 31426275240.

The previous prime is 34045131517. The next prime is 34045131529. The reversal of 34045131523 is 32513154043.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 32513154043 = 158617 ⋅204979.

It is an interprime number because it is at equal distance from previous prime (34045131517) and next prime (34045131529).

It is a cyclic number.

It is not a de Polignac number, because 34045131523 - 2²⁵ = 34011577091 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (34045131529) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1309428123 + ... + 1309428148.

It is an arithmetic number, because the mean of its divisors is an integer number (9165996952).

Almost surely, 2^34045131523 is an apocalyptic number.

34045131523 is a deficient number, since it is larger than the sum of its proper divisors (2618856285).

34045131523 is a wasteful number, since it uses less digits than its factorization.

34045131523 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2618856284.

The product of its (nonzero) digits is 21600, while the sum is 31.

Adding to 34045131523 its reverse (32513154043), we get a palindrome (66558285566).

The spelling of 34045131523 in words is "thirty-four billion, forty-five million, one hundred thirty-one thousand, five hundred twenty-three".