1443420323 has 2 divisors, whose sum is σ = 1443420324. Its totient is φ = 1443420322.

The previous prime is 1443420317. The next prime is 1443420359. The reversal of 1443420323 is 3230243441.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1443420323 - 2¹⁸ = 1443158179 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1443420292 and 1443420301.

It is not a weakly prime, because it can be changed into another prime (1443420373) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 721710161 + 721710162.

It is an arithmetic number, because the mean of its divisors is an integer number (721710162).

Almost surely, 2^1443420323 is an apocalyptic number.

1443420323 is a deficient number, since it is larger than the sum of its proper divisors (1).

1443420323 is an equidigital number, since it uses as much as digits as its factorization.

1443420323 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 6912, while the sum is 26.

The square root of 1443420323 is about 37992.3719054233. The cubic root of 1443420323 is about 1130.1365963779.

Adding to 1443420323 its reverse (3230243441), we get a palindrome (4673663764).

The spelling of 1443420323 in words is "one billion, four hundred forty-three million, four hundred twenty thousand, three hundred twenty-three".