1420742889323 has 4 divisors (see below), whose sum is σ = 1423459415448. Its totient is φ = 1418026363200.

The previous prime is 1420742889289. The next prime is 1420742889331. The reversal of 1420742889323 is 3239882470241.

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

It is a cyclic number.

It is not a de Polignac number, because 1420742889323 - 2²⁰ = 1420741840747 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1420742886323) 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, 1358262278 + ... + 1358263323.

It is an arithmetic number, because the mean of its divisors is an integer number (355864853862).

Almost surely, 2^{1420742889323} is an apocalyptic number.

1420742889323 is a deficient number, since it is larger than the sum of its proper divisors (2716526125).

1420742889323 is an equidigital number, since it uses as much as digits as its factorization.

1420742889323 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2716526124.

The product of its (nonzero) digits is 4644864, while the sum is 53.

The spelling of 1420742889323 in words is "one trillion, four hundred twenty billion, seven hundred forty-two million, eight hundred eighty-nine thousand, three hundred twenty-three".