1123100013 has 16 divisors (see below), whose sum is σ = 1801464320. Its totient is φ = 607993776.

The previous prime is 1123099997. The next prime is 1123100057. The reversal of 1123100013 is 3100013211.

It is not a de Polignac number, because 1123100013 - 2⁴ = 1123099997 is a prime.

It is a super-2 number, since 2×1123100013² = 2522707278401200338, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1123100063) 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, 1406995 + ... + 1407792.

It is an arithmetic number, because the mean of its divisors is an integer number (112591520).

Almost surely, 2^1123100013 is an apocalyptic number.

It is an amenable number.

1123100013 is a deficient number, since it is larger than the sum of its proper divisors (678364307).

1123100013 is a wasteful number, since it uses less digits than its factorization.

1123100013 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2814816.

The product of its (nonzero) digits is 18, while the sum is 12.

The square root of 1123100013 is about 33512.6843598062. The cubic root of 1123100013 is about 1039.4560805331.

Adding to 1123100013 its reverse (3100013211), we get a palindrome (4223113224).

The spelling of 1123100013 in words is "one billion, one hundred twenty-three million, one hundred thousand, thirteen".