11311001323 has 4 divisors (see below), whose sum is σ = 11976354360. Its totient is φ = 10645648288.

The previous prime is 11311001291. The next prime is 11311001347. The reversal of 11311001323 is 32310011311.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 11311001323 - 2⁵ = 11311001291 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 11311001297 and 11311001306.

It is not an unprimeable number, because it can be changed into a prime (11311001363) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 332676493 + ... + 332676526.

It is an arithmetic number, because the mean of its divisors is an integer number (2994088590).

Almost surely, 2^11311001323 is an apocalyptic number.

11311001323 is a deficient number, since it is larger than the sum of its proper divisors (665353037).

11311001323 is an equidigital number, since it uses as much as digits as its factorization.

11311001323 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 665353036.

The product of its (nonzero) digits is 54, while the sum is 16.

Adding to 11311001323 its reverse (32310011311), we get a palindrome (43621012634).

The spelling of 11311001323 in words is "eleven billion, three hundred eleven million, one thousand, three hundred twenty-three".