1111312322123 has 8 divisors (see below), whose sum is σ = 1169819698320. Its totient is φ = 1052806671360.

The previous prime is 1111312322077. The next prime is 1111312322167. The reversal of 1111312322123 is 3212232131111.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 1111312322123 - 2⁶ = 1111312322059 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1111312327123) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1015103 + ... + 1803623.

It is an arithmetic number, because the mean of its divisors is an integer number (146227462290).

Almost surely, 2^{1111312322123} is an apocalyptic number.

1111312322123 is a deficient number, since it is larger than the sum of its proper divisors (58507376197).

1111312322123 is an equidigital number, since it uses as much as digits as its factorization.

1111312322123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 862717.

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

Adding to 1111312322123 its reverse (3212232131111), we get a palindrome (4323544453234).

The spelling of 1111312322123 in words is "one trillion, one hundred eleven billion, three hundred twelve million, three hundred twenty-two thousand, one hundred twenty-three".