11111011323 has 4 divisors (see below), whose sum is σ = 14814681768. Its totient is φ = 7407340880.

The previous prime is 11111011321. The next prime is 11111011337. The reversal of 11111011323 is 32311011111.

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 11111011323 - 2¹ = 11111011321 is a prime.

It is not an unprimeable number, because it can be changed into a prime (11111011321) 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, 1851835218 + ... + 1851835223.

It is an arithmetic number, because the mean of its divisors is an integer number (3703670442).

Almost surely, 2^11111011323 is an apocalyptic number.

11111011323 is a deficient number, since it is larger than the sum of its proper divisors (3703670445).

11111011323 is an equidigital number, since it uses as much as digits as its factorization.

11111011323 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3703670444.

The product of its (nonzero) digits is 18, while the sum is 15.

Adding to 11111011323 its reverse (32311011111), we get a palindrome (43422022434).

The spelling of 11111011323 in words is "eleven billion, one hundred eleven million, eleven thousand, three hundred twenty-three".