11311333323423 has 16 divisors (see below), whose sum is σ = 17236376699136. Its totient is φ = 6463596821760.

The previous prime is 11311333323419. The next prime is 11311333323439. The reversal of 11311333323423 is 32432333311311.

It is a happy number.

It is not a de Polignac number, because 11311333323423 - 2² = 11311333323419 is a prime.

It is a super-2 number, since 2×11311333323423² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11311333323443) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6845140 + ... + 8335382.

It is an arithmetic number, because the mean of its divisors is an integer number (1077273543696).

Almost surely, 2^{11311333323423} is an apocalyptic number.

11311333323423 is a deficient number, since it is larger than the sum of its proper divisors (5925043375713).

11311333323423 is a wasteful number, since it uses less digits than its factorization.

11311333323423 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1851694.

The product of its digits is 34992, while the sum is 33.

Adding to 11311333323423 its reverse (32432333311311), we get a palindrome (43743666634734).

The spelling of 11311333323423 in words is "eleven trillion, three hundred eleven billion, three hundred thirty-three million, three hundred twenty-three thousand, four hundred twenty-three".