1323120210003 has 24 divisors (see below), whose sum is σ = 1924481246688. Its totient is φ = 875948406912.

The previous prime is 1323120209981. The next prime is 1323120210053. The reversal of 1323120210003 is 3000120213231.

It is not a de Polignac number, because 1323120210003 - 2⁹ = 1323120209491 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1323120210053) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1126501 + ... + 1978697.

It is an arithmetic number, because the mean of its divisors is an integer number (80186718612).

Almost surely, 2^{1323120210003} is an apocalyptic number.

1323120210003 is a deficient number, since it is larger than the sum of its proper divisors (601361036685).

1323120210003 is a wasteful number, since it uses less digits than its factorization.

1323120210003 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 853403 (or 853400 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 18.

Adding to 1323120210003 its reverse (3000120213231), we get a palindrome (4323240423234).

The spelling of 1323120210003 in words is "one trillion, three hundred twenty-three billion, one hundred twenty million, two hundred ten thousand, three".