1421128030323 has 4 divisors (see below), whose sum is σ = 1894837373768. Its totient is φ = 947418686880.

The previous prime is 1421128030307. The next prime is 1421128030351. The reversal of 1421128030323 is 3230308211241.

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

It is not a de Polignac number, because 1421128030323 - 2⁴ = 1421128030307 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1421128030303) 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, 236854671718 + ... + 236854671723.

It is an arithmetic number, because the mean of its divisors is an integer number (473709343442).

Almost surely, 2^{1421128030323} is an apocalyptic number.

1421128030323 is a deficient number, since it is larger than the sum of its proper divisors (473709343445).

1421128030323 is an equidigital number, since it uses as much as digits as its factorization.

1421128030323 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 473709343444.

The product of its (nonzero) digits is 6912, while the sum is 30.

The spelling of 1421128030323 in words is "one trillion, four hundred twenty-one billion, one hundred twenty-eight million, thirty thousand, three hundred twenty-three".