1121321000323 has 4 divisors (see below), whose sum is σ = 1121864541408. Its totient is φ = 1120777459240.

The previous prime is 1121321000257. The next prime is 1121321000351. The reversal of 1121321000323 is 3230001231211.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1121321000323 is a prime.

It is a super-2 number, since 2×1121321000323² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1121321000323.

It is not an unprimeable number, because it can be changed into a prime (1121321000623) 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, 271767448 + ... + 271771573.

It is an arithmetic number, because the mean of its divisors is an integer number (280466135352).

Almost surely, 2^{1121321000323} is an apocalyptic number.

1121321000323 is a deficient number, since it is larger than the sum of its proper divisors (543541085).

1121321000323 is an equidigital number, since it uses as much as digits as its factorization.

1121321000323 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 543541084.

The product of its (nonzero) digits is 216, while the sum is 19.

Adding to 1121321000323 its reverse (3230001231211), we get a palindrome (4351322231534).

The spelling of 1121321000323 in words is "one trillion, one hundred twenty-one billion, three hundred twenty-one million, three hundred twenty-three", and thus it is an aban number.