426656134654023 has 4 divisors (see below), whose sum is σ = 568874846205368. Its totient is φ = 284437423102680.

The previous prime is 426656134654021. The next prime is 426656134654031. The reversal of 426656134654023 is 320456431656624.

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

It is not a de Polignac number, because 426656134654023 - 2¹ = 426656134654021 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 (426656134654021) 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, 71109355775668 + ... + 71109355775673.

It is an arithmetic number, because the mean of its divisors is an integer number (142218711551342).

Almost surely, 2^{426656134654023} is an apocalyptic number.

426656134654023 is a deficient number, since it is larger than the sum of its proper divisors (142218711551345).

426656134654023 is a wasteful number, since it uses less digits than its factorization.

426656134654023 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 142218711551344.

The product of its (nonzero) digits is 74649600, while the sum is 57.

The spelling of 426656134654023 in words is "four hundred twenty-six trillion, six hundred fifty-six billion, one hundred thirty-four million, six hundred fifty-four thousand, twenty-three".