11011311323 has 4 divisors (see below), whose sum is σ = 11219071968. Its totient is φ = 10803550680.

The previous prime is 11011311317. The next prime is 11011311331. The reversal of 11011311323 is 32311311011.

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 11011311323 - 2⁴ = 11011311307 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11011311373) 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, 103880243 + ... + 103880348.

It is an arithmetic number, because the mean of its divisors is an integer number (2804767992).

Almost surely, 2^11011311323 is an apocalyptic number.

11011311323 is a deficient number, since it is larger than the sum of its proper divisors (207760645).

11011311323 is an equidigital number, since it uses as much as digits as its factorization.

11011311323 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 207760644.

The product of its (nonzero) digits is 54, while the sum is 17.

Adding to 11011311323 its reverse (32311311011), we get a palindrome (43322622334).

The spelling of 11011311323 in words is "eleven billion, eleven million, three hundred eleven thousand, three hundred twenty-three".