14420891023 has 32 divisors (see below), whose sum is σ = 18663505920. Its totient is φ = 10813500000.

The previous prime is 14420890903. The next prime is 14420891029. The reversal of 14420891023 is 32019802441.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-14420891023 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 14420891023.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (14420891029) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 410398 + ... + 444148.

It is an arithmetic number, because the mean of its divisors is an integer number (583234560).

Almost surely, 2^14420891023 is an apocalyptic number.

14420891023 is a deficient number, since it is larger than the sum of its proper divisors (4242614897).

14420891023 is a wasteful number, since it uses less digits than its factorization.

14420891023 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33979.

The product of its (nonzero) digits is 13824, while the sum is 34.

The spelling of 14420891023 in words is "fourteen billion, four hundred twenty million, eight hundred ninety-one thousand, twenty-three".