123530220102513 has 16 divisors (see below), whose sum is σ = 189182438067200. Its totient is φ = 70233980127696.

The previous prime is 123530220102479. The next prime is 123530220102551. The reversal of 123530220102513 is 315201022035321.

It is not a de Polignac number, because 123530220102513 - 2⁶ = 123530220102449 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (123530220102563) 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, 14779873795 + ... + 14779882152.

It is an arithmetic number, because the mean of its divisors is an integer number (11823902379200).

Almost surely, 2^{123530220102513} is an apocalyptic number.

It is an amenable number.

123530220102513 is a deficient number, since it is larger than the sum of its proper divisors (65652217964687).

123530220102513 is a wasteful number, since it uses less digits than its factorization.

123530220102513 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29559756156.

The product of its (nonzero) digits is 10800, while the sum is 30.

Adding to 123530220102513 its reverse (315201022035321), we get a palindrome (438731242137834).

The spelling of 123530220102513 in words is "one hundred twenty-three trillion, five hundred thirty billion, two hundred twenty million, one hundred two thousand, five hundred thirteen".