1111131222323 has 4 divisors (see below), whose sum is σ = 1111173309960. Its totient is φ = 1111089134688.

The previous prime is 1111131222263. The next prime is 1111131222347. The reversal of 1111131222323 is 3232221311111.

It is a happy number.

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 1111131222323 - 2⁶ = 1111131222259 is a prime.

It is a super-2 number, since 2×1111131222323² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1111131222353) 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, 21004193 + ... + 21057026.

It is an arithmetic number, because the mean of its divisors is an integer number (277793327490).

Almost surely, 2^{1111131222323} is an apocalyptic number.

1111131222323 is a deficient number, since it is larger than the sum of its proper divisors (42087637).

1111131222323 is an equidigital number, since it uses as much as digits as its factorization.

1111131222323 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42087636.

The product of its digits is 432, while the sum is 23.

Adding to 1111131222323 its reverse (3232221311111), we get a palindrome (4343352533434).

The spelling of 1111131222323 in words is "one trillion, one hundred eleven billion, one hundred thirty-one million, two hundred twenty-two thousand, three hundred twenty-three".