1013110123 has 12 divisors (see below), whose sum is σ = 1041105520. Its totient is φ = 985849920.

The previous prime is 1013110117. The next prime is 1013110139. The reversal of 1013110123 is 3210113101.

It is a de Polignac number, because none of the positive numbers 2^k-1013110123 is a prime.

It is a super-3 number, since 3×1013110123³ (a number of 28 digits) contains 333 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1013110183) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1221673 + ... + 1222501.

Almost surely, 2^1013110123 is an apocalyptic number.

1013110123 is a deficient number, since it is larger than the sum of its proper divisors (27995397).

1013110123 is an frugal number, since it uses more digits than its factorization.

1013110123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1638 (or 1597 counting only the distinct ones).

The product of its (nonzero) digits is 18, while the sum is 13.

The square root of 1013110123 is about 31829.3908675614. The cubic root of 1013110123 is about 1004.3510816305.

Adding to 1013110123 its reverse (3210113101), we get a palindrome (4223223224).

The spelling of 1013110123 in words is "one billion, thirteen million, one hundred ten thousand, one hundred twenty-three".