1321000300323 has 160 divisors (see below), whose sum is σ = 2300202178560. Its totient is φ = 746656496640.

The previous prime is 1321000300307. The next prime is 1321000300363. The reversal of 1321000300323 is 3230030001231.

1321000300323 is a `hidden beast` number, since 1 + 32 + 10 + 0 + 0 + 300 + 323 = 666.

It is not a de Polignac number, because 1321000300323 - 2⁴ = 1321000300307 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1321000300296 and 1321000300305.

It is not an unprimeable number, because it can be changed into a prime (1321000300363) by changing a digit.

It is a polite number, since it can be written in 159 ways as a sum of consecutive naturals, for example, 1182631761 + ... + 1182632877.

It is an arithmetic number, because the mean of its divisors is an integer number (14376263616).

Almost surely, 2^{1321000300323} is an apocalyptic number.

1321000300323 is a deficient number, since it is larger than the sum of its proper divisors (979201878237).

1321000300323 is a wasteful number, since it uses less digits than its factorization.

1321000300323 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1799 (or 1790 counting only the distinct ones).

The product of its (nonzero) digits is 324, while the sum is 18.

Adding to 1321000300323 its reverse (3230030001231), we get a palindrome (4551030301554).

The spelling of 1321000300323 in words is "one trillion, three hundred twenty-one billion, three hundred thousand, three hundred twenty-three".