1223312323333 has 4 divisors (see below), whose sum is σ = 1223391862368. Its totient is φ = 1223232784300.

The previous prime is 1223312323309. The next prime is 1223312323351. The reversal of 1223312323333 is 3333232133221.

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 a de Polignac number, because none of the positive numbers 2^k-1223312323333 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1223312323295 and 1223312323304.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1223312323393) 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, 39746443 + ... + 39777208.

It is an arithmetic number, because the mean of its divisors is an integer number (305847965592).

Almost surely, 2^{1223312323333} is an apocalyptic number.

It is an amenable number.

1223312323333 is a deficient number, since it is larger than the sum of its proper divisors (79539035).

1223312323333 is an equidigital number, since it uses as much as digits as its factorization.

1223312323333 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 79539034.

The product of its digits is 34992, while the sum is 31.

Adding to 1223312323333 its reverse (3333232133221), we get a palindrome (4556544456554).

The spelling of 1223312323333 in words is "one trillion, two hundred twenty-three billion, three hundred twelve million, three hundred twenty-three thousand, three hundred thirty-three".