1423289743 has 2 divisors, whose sum is σ = 1423289744. Its totient is φ = 1423289742.

The previous prime is 1423289729. The next prime is 1423289771. The reversal of 1423289743 is 3479823241.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1423289743 - 2²⁹ = 886418831 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1423289743.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1423289783) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 711644871 + 711644872.

It is an arithmetic number, because the mean of its divisors is an integer number (711644872).

Almost surely, 2^1423289743 is an apocalyptic number.

1423289743 is a deficient number, since it is larger than the sum of its proper divisors (1).

1423289743 is an equidigital number, since it uses as much as digits as its factorization.

1423289743 is an evil number, because the sum of its binary digits is even.

The product of its digits is 290304, while the sum is 43.

The square root of 1423289743 is about 37726.5124680244. The cubic root of 1423289743 is about 1124.8581860418.

The spelling of 1423289743 in words is "one billion, four hundred twenty-three million, two hundred eighty-nine thousand, seven hundred forty-three".