1233320321323 has 4 divisors (see below), whose sum is σ = 1248931971040. Its totient is φ = 1217708671608.

The previous prime is 1233320321293. The next prime is 1233320321339. The reversal of 1233320321323 is 3231230233321.

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 1233320321323 - 2⁹ = 1233320320811 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1233320321291 and 1233320321300.

It is not an unprimeable number, because it can be changed into a prime (1233320321353) 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, 7805824740 + ... + 7805824897.

It is an arithmetic number, because the mean of its divisors is an integer number (312232992760).

Almost surely, 2^{1233320321323} is an apocalyptic number.

1233320321323 is a deficient number, since it is larger than the sum of its proper divisors (15611649717).

1233320321323 is an equidigital number, since it uses as much as digits as its factorization.

1233320321323 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15611649716.

The product of its (nonzero) digits is 11664, while the sum is 28.

Adding to 1233320321323 its reverse (3231230233321), we get a palindrome (4464550554644).

The spelling of 1233320321323 in words is "one trillion, two hundred thirty-three billion, three hundred twenty million, three hundred twenty-one thousand, three hundred twenty-three".