2002321211323 has 4 divisors (see below), whose sum is σ = 2015581616848. Its totient is φ = 1989060805800.

The previous prime is 2002321211279. The next prime is 2002321211353. The reversal of 2002321211323 is 3231121232002.

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-2002321211323 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2002321211294 and 2002321211303.

It is not an unprimeable number, because it can be changed into a prime (2002321211353) 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, 6630202536 + ... + 6630202837.

It is an arithmetic number, because the mean of its divisors is an integer number (503895404212).

Almost surely, 2^{2002321211323} is an apocalyptic number.

2002321211323 is a deficient number, since it is larger than the sum of its proper divisors (13260405525).

2002321211323 is a wasteful number, since it uses less digits than its factorization.

2002321211323 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13260405524.

The product of its (nonzero) digits is 864, while the sum is 22.

Adding to 2002321211323 its reverse (3231121232002), we get a palindrome (5233442443325).

The spelling of 2002321211323 in words is "two trillion, two billion, three hundred twenty-one million, two hundred eleven thousand, three hundred twenty-three".