8211407633423 has 4 divisors (see below), whose sum is σ = 8215221573168. Its totient is φ = 8207593693680.

The previous prime is 8211407633389. The next prime is 8211407633437. The reversal of 8211407633423 is 3243367041128.

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 8211407633423 - 2¹⁰ = 8211407632399 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 (8211407632423) 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, 1906966643 + ... + 1906970948.

It is an arithmetic number, because the mean of its divisors is an integer number (2053805393292).

Almost surely, 2^{8211407633423} is an apocalyptic number.

8211407633423 is a deficient number, since it is larger than the sum of its proper divisors (3813939745).

8211407633423 is a wasteful number, since it uses less digits than its factorization.

8211407633423 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3813939744.

The product of its (nonzero) digits is 580608, while the sum is 44.

The spelling of 8211407633423 in words is "eight trillion, two hundred eleven billion, four hundred seven million, six hundred thirty-three thousand, four hundred twenty-three".