34531204123 has 16 divisors (see below), whose sum is σ = 38825579520. Its totient is φ = 30472367904.

The previous prime is 34531204027. The next prime is 34531204129. The reversal of 34531204123 is 32140213543.

It is a happy number.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-34531204123 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 34531204091 and 34531204100.

It is not an unprimeable number, because it can be changed into a prime (34531204129) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 531090 + ... + 592552.

It is an arithmetic number, because the mean of its divisors is an integer number (2426598720).

Almost surely, 2^34531204123 is an apocalyptic number.

34531204123 is a deficient number, since it is larger than the sum of its proper divisors (4294375397).

34531204123 is a wasteful number, since it uses less digits than its factorization.

34531204123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 63378.

The product of its (nonzero) digits is 8640, while the sum is 28.

Adding to 34531204123 its reverse (32140213543), we get a palindrome (66671417666).

The spelling of 34531204123 in words is "thirty-four billion, five hundred thirty-one million, two hundred four thousand, one hundred twenty-three".