11213013123 has 12 divisors (see below), whose sum is σ = 17442465040. Its totient is φ = 6900315696.

The previous prime is 11213013113. The next prime is 11213013137. The reversal of 11213013123 is 32131031211.

It is not a de Polignac number, because 11213013123 - 2⁹ = 11213012611 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 11213013096 and 11213013105.

It is not an unprimeable number, because it can be changed into a prime (11213013113) 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, 47918743 + ... + 47918976.

Almost surely, 2^11213013123 is an apocalyptic number.

11213013123 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

11213013123 is a deficient number, since it is larger than the sum of its proper divisors (6229451917).

11213013123 is a wasteful number, since it uses less digits than its factorization.

11213013123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 95837738 (or 95837735 counting only the distinct ones).

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

Adding to 11213013123 its reverse (32131031211), we get a palindrome (43344044334).

The spelling of 11213013123 in words is "eleven billion, two hundred thirteen million, thirteen thousand, one hundred twenty-three".