11012313123 has 96 divisors (see below), whose sum is σ = 19416983040. Its totient is φ = 6106026240.

The previous prime is 11012313073. The next prime is 11012313149. The reversal of 11012313123 is 32131321011.

It is not a de Polignac number, because 11012313123 - 2²⁸ = 10743877667 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 11012313096 and 11012313105.

It is not an unprimeable number, because it can be changed into a prime (11012313223) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 18760036 + ... + 18760622.

It is an arithmetic number, because the mean of its divisors is an integer number (202260240).

Almost surely, 2^11012313123 is an apocalyptic number.

11012313123 is a deficient number, since it is larger than the sum of its proper divisors (8404669917).

11012313123 is an equidigital number, since it uses as much as digits as its factorization.

11012313123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 919 (or 907 counting only the distinct ones).

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

Adding to 11012313123 its reverse (32131321011), we get a palindrome (43143634134).

The spelling of 11012313123 in words is "eleven billion, twelve million, three hundred thirteen thousand, one hundred twenty-three".