1423204123343 has 2 divisors, whose sum is σ = 1423204123344. Its totient is φ = 1423204123342.

The previous prime is 1423204123309. The next prime is 1423204123351. The reversal of 1423204123343 is 3433214023241.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1423204123343 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1423204122343) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 711602061671 + 711602061672.

It is an arithmetic number, because the mean of its divisors is an integer number (711602061672).

Almost surely, 2^{1423204123343} is an apocalyptic number.

1423204123343 is a deficient number, since it is larger than the sum of its proper divisors (1).

1423204123343 is an equidigital number, since it uses as much as digits as its factorization.

1423204123343 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 41472, while the sum is 32.

Adding to 1423204123343 its reverse (3433214023241), we get a palindrome (4856418146584).

The spelling of 1423204123343 in words is "one trillion, four hundred twenty-three billion, two hundred four million, one hundred twenty-three thousand, three hundred forty-three".