11123312331203 has 16 divisors (see below), whose sum is σ = 11750587622400. Its totient is φ = 10512876759840.

The previous prime is 11123312331199. The next prime is 11123312331277. The reversal of 11123312331203 is 30213321332111.

It is a cyclic number.

It is not a de Polignac number, because 11123312331203 - 2² = 11123312331199 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11123312334203) 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, 10518008 + ... + 11527146.

It is an arithmetic number, because the mean of its divisors is an integer number (734411726400).

Almost surely, 2^{11123312331203} is an apocalyptic number.

11123312331203 is a deficient number, since it is larger than the sum of its proper divisors (627275291197).

11123312331203 is a wasteful number, since it uses less digits than its factorization.

11123312331203 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1017482.

The product of its (nonzero) digits is 1944, while the sum is 26.

Adding to 11123312331203 its reverse (30213321332111), we get a palindrome (41336633663314).

The spelling of 11123312331203 in words is "eleven trillion, one hundred twenty-three billion, three hundred twelve million, three hundred thirty-one thousand, two hundred three".