1421310323 has 6 divisors (see below), whose sum is σ = 1485793764. Its totient is φ = 1359513716.

The previous prime is 1421310311. The next prime is 1421310353. The reversal of 1421310323 is 3230131241.

It is not a de Polignac number, because 1421310323 - 2¹⁸ = 1421048179 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1421310295 and 1421310304.

It is not an unprimeable number, because it can be changed into a prime (1421310353) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1342865 + ... + 1343922.

It is an arithmetic number, because the mean of its divisors is an integer number (247632294).

Almost surely, 2^1421310323 is an apocalyptic number.

1421310323 is a deficient number, since it is larger than the sum of its proper divisors (64483441).

1421310323 is an equidigital number, since it uses as much as digits as its factorization.

1421310323 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2686833 (or 2686810 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 20.

The square root of 1421310323 is about 37700.2695348455. The cubic root of 1421310323 is about 1124.3364839338.

Adding to 1421310323 its reverse (3230131241), we get a palindrome (4651441564).

The spelling of 1421310323 in words is "one billion, four hundred twenty-one million, three hundred ten thousand, three hundred twenty-three".