123020203001313 has 16 divisors (see below), whose sum is σ = 173687410109376. Its totient is φ = 77183889469440.

The previous prime is 123020203001309. The next prime is 123020203001363. The reversal of 123020203001313 is 313100302020321.

It is not a de Polignac number, because 123020203001313 - 2² = 123020203001309 is a prime.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 123020203001313.

It is not an unprimeable number, because it can be changed into a prime (123020203001303) 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, 81392448 + ... + 82890113.

It is an arithmetic number, because the mean of its divisors is an integer number (10855463131836).

Almost surely, 2^{123020203001313} is an apocalyptic number.

It is an amenable number.

123020203001313 is a deficient number, since it is larger than the sum of its proper divisors (50667207108063).

123020203001313 is a wasteful number, since it uses less digits than its factorization.

123020203001313 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 164297264.

The product of its (nonzero) digits is 648, while the sum is 21.

Adding to 123020203001313 its reverse (313100302020321), we get a palindrome (436120505021634).

The spelling of 123020203001313 in words is "one hundred twenty-three trillion, twenty billion, two hundred three million, one thousand, three hundred thirteen".