123513435106234 has 8 divisors (see below), whose sum is σ = 185280513998868. Its totient is φ = 61753263773280.

The previous prime is 123513435106211. The next prime is 123513435106247. The reversal of 123513435106234 is 432601534315321.

It can be written as a sum of positive squares in 2 ways, for example, as 122865807715225 + 647627391009 = 11084485^2 + 804753^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1726845217 + ... + 1726916740.

Almost surely, 2^{123513435106234} is an apocalyptic number.

123513435106234 is a deficient number, since it is larger than the sum of its proper divisors (61767078892634).

123513435106234 is a wasteful number, since it uses less digits than its factorization.

123513435106234 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3453779840.

The product of its (nonzero) digits is 777600, while the sum is 43.

The spelling of 123513435106234 in words is "one hundred twenty-three trillion, five hundred thirteen billion, four hundred thirty-five million, one hundred six thousand, two hundred thirty-four".