1421342322043 has 4 divisors (see below), whose sum is σ = 1624391225200. Its totient is φ = 1218293418888.

The previous prime is 1421342322031. The next prime is 1421342322083. The reversal of 1421342322043 is 3402232431241.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 1421342322043 - 2¹⁷ = 1421342190971 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1421342321996 and 1421342322014.

It is not an unprimeable number, because it can be changed into a prime (1421342322083) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 101524451568 + ... + 101524451581.

It is an arithmetic number, because the mean of its divisors is an integer number (406097806300).

Almost surely, 2^{1421342322043} is an apocalyptic number.

1421342322043 is a deficient number, since it is larger than the sum of its proper divisors (203048903157).

1421342322043 is an equidigital number, since it uses as much as digits as its factorization.

1421342322043 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 203048903156.

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

Adding to 1421342322043 its reverse (3402232431241), we get a palindrome (4823574753284).

The spelling of 1421342322043 in words is "one trillion, four hundred twenty-one billion, three hundred forty-two million, three hundred twenty-two thousand, forty-three".