1420404013423 has 2 divisors, whose sum is σ = 1420404013424. Its totient is φ = 1420404013422.

The previous prime is 1420404013421. The next prime is 1420404013463. The reversal of 1420404013423 is 3243104040241.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1420404013423 - 2¹ = 1420404013421 is a prime.

It is a super-2 number, since 2×1420404013423² (a number of 25 digits) contains 22 as substring.

Together with 1420404013421, it forms a pair of twin primes.

It is a junction number, because it is equal to n+sod(n) for n = 1420404013391 and 1420404013400.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1420404013421) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 710202006711 + 710202006712.

It is an arithmetic number, because the mean of its divisors is an integer number (710202006712).

Almost surely, 2^{1420404013423} is an apocalyptic number.

1420404013423 is a deficient number, since it is larger than the sum of its proper divisors (1).

1420404013423 is an equidigital number, since it uses as much as digits as its factorization.

1420404013423 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 9216, while the sum is 28.

Adding to 1420404013423 its reverse (3243104040241), we get a palindrome (4663508053664).

The spelling of 1420404013423 in words is "one trillion, four hundred twenty billion, four hundred four million, thirteen thousand, four hundred twenty-three".