1123321003213 has 4 divisors (see below), whose sum is σ = 1126253956608. Its totient is φ = 1120388049820.

The previous prime is 1123321003199. The next prime is 1123321003267. The reversal of 1123321003213 is 3123001233211.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 1123321003213 - 2²⁵ = 1123287448781 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1123321003913) 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, 1466476123 + ... + 1466476888.

It is an arithmetic number, because the mean of its divisors is an integer number (281563489152).

Almost surely, 2^{1123321003213} is an apocalyptic number.

It is an amenable number.

1123321003213 is a deficient number, since it is larger than the sum of its proper divisors (2932953395).

1123321003213 is an equidigital number, since it uses as much as digits as its factorization.

1123321003213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2932953394.

The product of its (nonzero) digits is 648, while the sum is 22.

Adding to 1123321003213 its reverse (3123001233211), we get a palindrome (4246322236424).

The spelling of 1123321003213 in words is "one trillion, one hundred twenty-three billion, three hundred twenty-one million, three thousand, two hundred thirteen".