1421400233443 has 2 divisors, whose sum is σ = 1421400233444. Its totient is φ = 1421400233442.

The previous prime is 1421400233413. The next prime is 1421400233447. The reversal of 1421400233443 is 3443320041241.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1421400233443 - 2²⁵ = 1421366679011 is a prime.

It is not a weakly prime, because it can be changed into another prime (1421400233447) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 710700116721 + 710700116722.

It is an arithmetic number, because the mean of its divisors is an integer number (710700116722).

Almost surely, 2^{1421400233443} is an apocalyptic number.

1421400233443 is a deficient number, since it is larger than the sum of its proper divisors (1).

1421400233443 is an equidigital number, since it uses as much as digits as its factorization.

1421400233443 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 27648, while the sum is 31.

Adding to 1421400233443 its reverse (3443320041241), we get a palindrome (4864720274684).

The spelling of 1421400233443 in words is "one trillion, four hundred twenty-one billion, four hundred million, two hundred thirty-three thousand, four hundred forty-three".