1000123231113 has 12 divisors (see below), whose sum is σ = 1446071427268. Its totient is φ = 666080059680.

The previous prime is 1000123231033. The next prime is 1000123231123. The reversal of 1000123231113 is 3111323210001.

It can be written as a sum of positive squares in 2 ways, for example, as 919982150649 + 80141080464 = 959157^2 + 283092^2 .

It is not a de Polignac number, because 1000123231113 - 2¹⁰ = 1000123230089 is a prime.

It is a super-2 number, since 2×1000123231113² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1000123231123) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 55720618 + ... + 55738563.

Almost surely, 2^{1000123231113} is an apocalyptic number.

It is an amenable number.

1000123231113 is a deficient number, since it is larger than the sum of its proper divisors (445948196155).

1000123231113 is a wasteful number, since it uses less digits than its factorization.

1000123231113 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 111460184 (or 111460181 counting only the distinct ones).

The product of its (nonzero) digits is 108, while the sum is 18.

Adding to 1000123231113 its reverse (3111323210001), we get a palindrome (4111446441114).

The spelling of 1000123231113 in words is "one trillion, one hundred twenty-three million, two hundred thirty-one thousand, one hundred thirteen".