34512423123 has 4 divisors (see below), whose sum is σ = 46016564168. Its totient is φ = 23008282080.

The previous prime is 34512423109. The next prime is 34512423173. The reversal of 34512423123 is 32132421543.

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

It is not a de Polignac number, because 34512423123 - 2¹³ = 34512414931 is a prime.

It is a super-2 number, since 2×34512423123² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (34512423173) 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, 5752070518 + ... + 5752070523.

It is an arithmetic number, because the mean of its divisors is an integer number (11504141042).

Almost surely, 2^34512423123 is an apocalyptic number.

34512423123 is a deficient number, since it is larger than the sum of its proper divisors (11504141045).

34512423123 is a wasteful number, since it uses less digits than its factorization.

34512423123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11504141044.

The product of its digits is 17280, while the sum is 30.

Adding to 34512423123 its reverse (32132421543), we get a palindrome (66644844666).

The spelling of 34512423123 in words is "thirty-four billion, five hundred twelve million, four hundred twenty-three thousand, one hundred twenty-three".