1423403221337 has 2 divisors, whose sum is σ = 1423403221338. Its totient is φ = 1423403221336.

The previous prime is 1423403221307. The next prime is 1423403221349. The reversal of 1423403221337 is 7331223043241.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1407025364761 + 16377856576 = 1186181^2 + 127976^2 .

It is a cyclic number.

It is not a de Polignac number, because 1423403221337 - 2⁸ = 1423403221081 is a prime.

It is a super-2 number, since 2×1423403221337² (a number of 25 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1423403221297 and 1423403221306.

It is not a weakly prime, because it can be changed into another prime (1423403221307) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 711701610668 + 711701610669.

It is an arithmetic number, because the mean of its divisors is an integer number (711701610669).

Almost surely, 2^{1423403221337} is an apocalyptic number.

It is an amenable number.

1423403221337 is a deficient number, since it is larger than the sum of its proper divisors (1).

1423403221337 is an equidigital number, since it uses as much as digits as its factorization.

1423403221337 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 72576, while the sum is 35.

Adding to 1423403221337 its reverse (7331223043241), we get a palindrome (8754626264578).

The spelling of 1423403221337 in words is "one trillion, four hundred twenty-three billion, four hundred three million, two hundred twenty-one thousand, three hundred thirty-seven".