1423403221297 has 2 divisors, whose sum is σ = 1423403221298. Its totient is φ = 1423403221296.

The previous prime is 1423403221291. The next prime is 1423403221307. The reversal of 1423403221297 is 7921223043241.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1371765658176 + 51637563121 = 1171224^2 + 227239^2 .

It is an emirp because it is prime and its reverse (7921223043241) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1423403221297 is a prime.

It is not a weakly prime, because it can be changed into another prime (1423403221291) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 711701610648 + 711701610649.

It is an arithmetic number, because the mean of its divisors is an integer number (711701610649).

Almost surely, 2^{1423403221297} is an apocalyptic number.

It is an amenable number.

1423403221297 is a deficient number, since it is larger than the sum of its proper divisors (1).

1423403221297 is an equidigital number, since it uses as much as digits as its factorization.

1423403221297 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 145152, while the sum is 40.

The spelling of 1423403221297 in words is "one trillion, four hundred twenty-three billion, four hundred three million, two hundred twenty-one thousand, two hundred ninety-seven".