11311123231323 has 40 divisors (see below), whose sum is σ = 17431354647168. Its totient is φ = 7304043269376.

The previous prime is 11311123231321. The next prime is 11311123231337. The reversal of 11311123231323 is 32313232111311.

11311123231323 is a `hidden beast` number, since 1 + 1 + 3 + 1 + 1 + 12 + 323 + 1 + 323 = 666.

It is not a de Polignac number, because 11311123231323 - 2¹ = 11311123231321 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (11311123231321) by changing a digit.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 7793886 + ... + 9130547.

Almost surely, 2^{11311123231323} is an apocalyptic number.

11311123231323 is a deficient number, since it is larger than the sum of its proper divisors (6120231415845).

11311123231323 is a wasteful number, since it uses less digits than its factorization.

11311123231323 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16924705 (or 16924696 counting only the distinct ones).

The product of its digits is 1944, while the sum is 27.

Adding to 11311123231323 its reverse (32313232111311), we get a palindrome (43624355342634).

The spelling of 11311123231323 in words is "eleven trillion, three hundred eleven billion, one hundred twenty-three million, two hundred thirty-one thousand, three hundred twenty-three".