1111203321323 has 4 divisors (see below), whose sum is σ = 1111950601440. Its totient is φ = 1110456041208.

The previous prime is 1111203321313. The next prime is 1111203321329. The reversal of 1111203321323 is 3231233021111.

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 1111203321323 - 2⁴ = 1111203321307 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1111203321329) 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 3 ways as a sum of consecutive naturals, for example, 373637828 + ... + 373640801.

It is an arithmetic number, because the mean of its divisors is an integer number (277987650360).

Almost surely, 2^{1111203321323} is an apocalyptic number.

1111203321323 is a deficient number, since it is larger than the sum of its proper divisors (747280117).

1111203321323 is an equidigital number, since it uses as much as digits as its factorization.

1111203321323 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 747280116.

The product of its (nonzero) digits is 648, while the sum is 23.

Adding to 1111203321323 its reverse (3231233021111), we get a palindrome (4342436342434).

The spelling of 1111203321323 in words is "one trillion, one hundred eleven billion, two hundred three million, three hundred twenty-one thousand, three hundred twenty-three".