1423202443441 has 2 divisors, whose sum is σ = 1423202443442. Its totient is φ = 1423202443440.

The previous prime is 1423202443393. The next prime is 1423202443493. The reversal of 1423202443441 is 1443442023241.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1422736056225 + 466387216 = 1192785^2 + 21596^2 .

It is a cyclic number.

It is not a de Polignac number, because 1423202443441 - 2²⁹ = 1422665572529 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1423202443397 and 1423202443406.

It is not a weakly prime, because it can be changed into another prime (1423202443841) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 711601221720 + 711601221721.

It is an arithmetic number, because the mean of its divisors is an integer number (711601221721).

Almost surely, 2^{1423202443441} is an apocalyptic number.

It is an amenable number.

1423202443441 is a deficient number, since it is larger than the sum of its proper divisors (1).

1423202443441 is an equidigital number, since it uses as much as digits as its factorization.

1423202443441 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 73728, while the sum is 34.

Adding to 1423202443441 its reverse (1443442023241), we get a palindrome (2866644466682).

The spelling of 1423202443441 in words is "one trillion, four hundred twenty-three billion, two hundred two million, four hundred forty-three thousand, four hundred forty-one".