1421342332143 has 16 divisors (see below), whose sum is σ = 2018616526080. Its totient is φ = 886482379136.

The previous prime is 1421342332117. The next prime is 1421342332147. The reversal of 1421342332143 is 3412332431241.

It is a cyclic number.

It is not a de Polignac number, because 1421342332143 - 2²⁵ = 1421308777711 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1421342332147) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 83432973 + ... + 83450006.

It is an arithmetic number, because the mean of its divisors is an integer number (126163532880).

Almost surely, 2^{1421342332143} is an apocalyptic number.

1421342332143 is a deficient number, since it is larger than the sum of its proper divisors (597274193937).

1421342332143 is a wasteful number, since it uses less digits than its factorization.

1421342332143 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 166883166.

The product of its digits is 41472, while the sum is 33.

Adding to 1421342332143 its reverse (3412332431241), we get a palindrome (4833674763384).

The spelling of 1421342332143 in words is "one trillion, four hundred twenty-one billion, three hundred forty-two million, three hundred thirty-two thousand, one hundred forty-three".