123000331013 has 24 divisors (see below), whose sum is σ = 152969573952. Its totient is φ = 98263718784.

The previous prime is 123000330997. The next prime is 123000331033. The reversal of 123000331013 is 310133000321.

It is not a de Polignac number, because 123000331013 - 2⁴ = 123000330997 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (17).

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 123000330982 and 123000331000.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (123000331033) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 630995 + ... + 802592.

It is an arithmetic number, because the mean of its divisors is an integer number (6373732248).

Almost surely, 2^123000331013 is an apocalyptic number.

It is an amenable number.

123000331013 is a deficient number, since it is larger than the sum of its proper divisors (29969242939).

123000331013 is a wasteful number, since it uses less digits than its factorization.

123000331013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1433721 (or 1433714 counting only the distinct ones).

The product of its (nonzero) digits is 162, while the sum is 17.

Adding to 123000331013 its reverse (310133000321), we get a palindrome (433133331334).

The spelling of 123000331013 in words is "one hundred twenty-three billion, three hundred thirty-one thousand, thirteen".