123013313530534 has 64 divisors (see below), whose sum is σ = 225015452209152. Its totient is φ = 49234285900800.

The previous prime is 123013313530469. The next prime is 123013313530637. The reversal of 123013313530534 is 435035313310321.

It is a super-2 number, since 2×123013313530534² (a number of 29 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 123013313530493 and 123013313530502.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 271427499 + ... + 271880329.

It is an arithmetic number, because the mean of its divisors is an integer number (3515866440768).

Almost surely, 2^{123013313530534} is an apocalyptic number.

123013313530534 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

123013313530534 is a deficient number, since it is larger than the sum of its proper divisors (102002138678618).

123013313530534 is a wasteful number, since it uses less digits than its factorization.

123013313530534 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 461701.

The product of its (nonzero) digits is 145800, while the sum is 37.

Adding to 123013313530534 its reverse (435035313310321), we get a palindrome (558048626840855).

The spelling of 123013313530534 in words is "one hundred twenty-three trillion, thirteen billion, three hundred thirteen million, five hundred thirty thousand, five hundred thirty-four".