1200323331323 has 4 divisors (see below), whose sum is σ = 1217229293808. Its totient is φ = 1183417368840.

The previous prime is 1200323331283. The next prime is 1200323331349. The reversal of 1200323331323 is 3231333230021.

It is a happy number.

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-1200323331323 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1200323331292 and 1200323331301.

It is not an unprimeable number, because it can be changed into a prime (1200323331373) 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, 8452981136 + ... + 8452981277.

It is an arithmetic number, because the mean of its divisors is an integer number (304307323452).

Almost surely, 2^{1200323331323} is an apocalyptic number.

1200323331323 is a deficient number, since it is larger than the sum of its proper divisors (16905962485).

1200323331323 is an equidigital number, since it uses as much as digits as its factorization.

1200323331323 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16905962484.

The product of its (nonzero) digits is 5832, while the sum is 26.

Adding to 1200323331323 its reverse (3231333230021), we get a palindrome (4431656561344).

The spelling of 1200323331323 in words is "one trillion, two hundred billion, three hundred twenty-three million, three hundred thirty-one thousand, three hundred twenty-three".