1420320323 has 2 divisors, whose sum is σ = 1420320324. Its totient is φ = 1420320322.

The previous prime is 1420320289. The next prime is 1420320347. The reversal of 1420320323 is 3230230241.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1420320323 - 2⁸ = 1420320067 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1420320295 and 1420320304.

It is not a weakly prime, because it can be changed into another prime (1420320373) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 710160161 + 710160162.

It is an arithmetic number, because the mean of its divisors is an integer number (710160162).

Almost surely, 2^1420320323 is an apocalyptic number.

1420320323 is a deficient number, since it is larger than the sum of its proper divisors (1).

1420320323 is an equidigital number, since it uses as much as digits as its factorization.

1420320323 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 864, while the sum is 20.

The square root of 1420320323 is about 37687.1373680729. The cubic root of 1420320323 is about 1124.0753747214.

Adding to 1420320323 its reverse (3230230241), we get a palindrome (4650550564).

The spelling of 1420320323 in words is "one billion, four hundred twenty million, three hundred twenty thousand, three hundred twenty-three".