423899270891 has 8 divisors (see below), whose sum is σ = 424454916864. Its totient is φ = 423343722240.

The previous prime is 423899270867. The next prime is 423899270939. The reversal of 423899270891 is 198072998324.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 423899270891 - 2¹⁴ = 423899254507 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (423899270831) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13487291 + ... + 13518683.

It is an arithmetic number, because the mean of its divisors is an integer number (53056864608).

Almost surely, 2^423899270891 is an apocalyptic number.

423899270891 is a deficient number, since it is larger than the sum of its proper divisors (555645973).

423899270891 is a wasteful number, since it uses less digits than its factorization.

423899270891 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 48661.

The product of its (nonzero) digits is 15676416, while the sum is 62.

The spelling of 423899270891 in words is "four hundred twenty-three billion, eight hundred ninety-nine million, two hundred seventy thousand, eight hundred ninety-one".