11313123203 has 16 divisors (see below), whose sum is σ = 12172101120. Its totient is φ = 10480883616.

The previous prime is 11313123193. The next prime is 11313123233. The reversal of 11313123203 is 30232131311.

It is a cyclic number.

It is not a de Polignac number, because 11313123203 - 2¹⁶ = 11313057667 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11313123233) 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, 1221476 + ... + 1230702.

It is an arithmetic number, because the mean of its divisors is an integer number (760756320).

Almost surely, 2^11313123203 is an apocalyptic number.

11313123203 is a deficient number, since it is larger than the sum of its proper divisors (858977917).

11313123203 is a wasteful number, since it uses less digits than its factorization.

11313123203 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10666.

The product of its (nonzero) digits is 324, while the sum is 20.

Adding to 11313123203 its reverse (30232131311), we get a palindrome (41545254514).

The spelling of 11313123203 in words is "eleven billion, three hundred thirteen million, one hundred twenty-three thousand, two hundred three".