1423441361 has 2 divisors, whose sum is σ = 1423441362. Its totient is φ = 1423441360.

The previous prime is 1423441333. The next prime is 1423441363. The reversal of 1423441361 is 1631443241.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1273133761 + 150307600 = 35681^2 + 12260^2 .

It is an emirp because it is prime and its reverse (1631443241) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1423441361 is a prime.

Together with 1423441363, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (1423441363) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 711720680 + 711720681.

It is an arithmetic number, because the mean of its divisors is an integer number (711720681).

Almost surely, 2^1423441361 is an apocalyptic number.

It is an amenable number.

1423441361 is a deficient number, since it is larger than the sum of its proper divisors (1).

1423441361 is an equidigital number, since it uses as much as digits as its factorization.

1423441361 is an evil number, because the sum of its binary digits is even.

The product of its digits is 6912, while the sum is 29.

The square root of 1423441361 is about 37728.5218501865. The cubic root of 1423441361 is about 1124.8981270057.

The spelling of 1423441361 in words is "one billion, four hundred twenty-three million, four hundred forty-one thousand, three hundred sixty-one".