1442730323 has 2 divisors, whose sum is σ = 1442730324. Its totient is φ = 1442730322.

The previous prime is 1442730271. The next prime is 1442730349. The reversal of 1442730323 is 3230372441.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1442730323 - 2¹² = 1442726227 is a prime.

It is not a weakly prime, because it can be changed into another prime (1442730383) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 721365161 + 721365162.

It is an arithmetic number, because the mean of its divisors is an integer number (721365162).

Almost surely, 2^1442730323 is an apocalyptic number.

1442730323 is a deficient number, since it is larger than the sum of its proper divisors (1).

1442730323 is an equidigital number, since it uses as much as digits as its factorization.

1442730323 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 12096, while the sum is 29.

The square root of 1442730323 is about 37983.2900497048. The cubic root of 1442730323 is about 1129.9564874779.

The spelling of 1442730323 in words is "one billion, four hundred forty-two million, seven hundred thirty thousand, three hundred twenty-three".