1420443241123 has 2 divisors, whose sum is σ = 1420443241124. Its totient is φ = 1420443241122.

The previous prime is 1420443241117. The next prime is 1420443241127. The reversal of 1420443241123 is 3211423440241.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1420443241123 is a prime.

It is a super-2 number, since 2×1420443241123² (a number of 25 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (1420443241127) 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, 710221620561 + 710221620562.

It is an arithmetic number, because the mean of its divisors is an integer number (710221620562).

Almost surely, 2^{1420443241123} is an apocalyptic number.

1420443241123 is a deficient number, since it is larger than the sum of its proper divisors (1).

1420443241123 is an equidigital number, since it uses as much as digits as its factorization.

1420443241123 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 18432, while the sum is 31.

Adding to 1420443241123 its reverse (3211423440241), we get a palindrome (4631866681364).

The spelling of 1420443241123 in words is "one trillion, four hundred twenty billion, four hundred forty-three million, two hundred forty-one thousand, one hundred twenty-three".