1423442441 has 2 divisors, whose sum is σ = 1423442442. Its totient is φ = 1423442440.

The previous prime is 1423442431. The next prime is 1423442473. The reversal of 1423442441 is 1442443241.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1087086841 + 336355600 = 32971^2 + 18340^2 .

It is a cyclic number.

It is not a de Polignac number, because 1423442441 - 2¹⁰ = 1423441417 is a prime.

It is not a weakly prime, because it can be changed into another prime (1423442431) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 711721220 + 711721221.

It is an arithmetic number, because the mean of its divisors is an integer number (711721221).

Almost surely, 2^1423442441 is an apocalyptic number.

It is an amenable number.

1423442441 is a deficient number, since it is larger than the sum of its proper divisors (1).

1423442441 is an equidigital number, since it uses as much as digits as its factorization.

1423442441 is an evil number, because the sum of its binary digits is even.

The product of its digits is 12288, while the sum is 29.

The square root of 1423442441 is about 37728.5361629629. The cubic root of 1423442441 is about 1124.8984115016.

Adding to 1423442441 its reverse (1442443241), we get a palindrome (2865885682).

The spelling of 1423442441 in words is "one billion, four hundred twenty-three million, four hundred forty-two thousand, four hundred forty-one".