801921114843223 has 4 divisors (see below), whose sum is σ = 801926066082960. Its totient is φ = 801916163603488.

The previous prime is 801921114843179. The next prime is 801921114843257. The reversal of 801921114843223 is 322348411129108.

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 801921114843223 - 2³³ = 801912524908631 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (801921114843923) 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, 2475376915 + ... + 2475700852.

It is an arithmetic number, because the mean of its divisors is an integer number (200481516520740).

Almost surely, 2^{801921114843223} is an apocalyptic number.

801921114843223 is a deficient number, since it is larger than the sum of its proper divisors (4951239737).

801921114843223 is a wasteful number, since it uses less digits than its factorization.

801921114843223 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4951239736.

The product of its (nonzero) digits is 663552, while the sum is 49.

The spelling of 801921114843223 in words is "eight hundred one trillion, nine hundred twenty-one billion, one hundred fourteen million, eight hundred forty-three thousand, two hundred twenty-three".