1321600230323 has 4 divisors (see below), whose sum is σ = 1399341420360. Its totient is φ = 1243859040288.

The previous prime is 1321600230263. The next prime is 1321600230329. The reversal of 1321600230323 is 3230320061231.

It is a happy number.

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 1321600230323 - 2⁶ = 1321600230259 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1321600230292 and 1321600230301.

It is not an unprimeable number, because it can be changed into a prime (1321600230329) 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, 38870594993 + ... + 38870595026.

It is an arithmetic number, because the mean of its divisors is an integer number (349835355090).

Almost surely, 2^{1321600230323} is an apocalyptic number.

1321600230323 is a deficient number, since it is larger than the sum of its proper divisors (77741190037).

1321600230323 is an equidigital number, since it uses as much as digits as its factorization.

1321600230323 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 77741190036.

The product of its (nonzero) digits is 3888, while the sum is 26.

Adding to 1321600230323 its reverse (3230320061231), we get a palindrome (4551920291554).

The spelling of 1321600230323 in words is "one trillion, three hundred twenty-one billion, six hundred million, two hundred thirty thousand, three hundred twenty-three".