426112211623 has 4 divisors (see below), whose sum is σ = 486985384720. Its totient is φ = 365239038528.

The previous prime is 426112211617. The next prime is 426112211647. The reversal of 426112211623 is 326112211624.

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

It is not a de Polignac number, because 426112211623 - 2²¹ = 426110114471 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 (426152211623) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 30436586538 + ... + 30436586551.

It is an arithmetic number, because the mean of its divisors is an integer number (121746346180).

Almost surely, 2^426112211623 is an apocalyptic number.

426112211623 is a deficient number, since it is larger than the sum of its proper divisors (60873173097).

426112211623 is an equidigital number, since it uses as much as digits as its factorization.

426112211623 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 60873173096.

The product of its digits is 6912, while the sum is 31.

Subtracting from 426112211623 its reverse (326112211624), we obtain a palindrome (99999999999).

The spelling of 426112211623 in words is "four hundred twenty-six billion, one hundred twelve million, two hundred eleven thousand, six hundred twenty-three".