426871623 has 8 divisors (see below), whose sum is σ = 583044336. Its totient is φ = 277640000.

The previous prime is 426871607. The next prime is 426871631. The reversal of 426871623 is 326178624.

It is a happy number.

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 426871623 - 2⁴ = 426871607 is a prime.

It is a super-3 number, since 3×426871623³ (a number of 27 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (426871633) 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, 1735128 + ... + 1735373.

It is an arithmetic number, because the mean of its divisors is an integer number (72880542).

Almost surely, 2^426871623 is an apocalyptic number.

426871623 is a deficient number, since it is larger than the sum of its proper divisors (156172713).

426871623 is a wasteful number, since it uses less digits than its factorization.

426871623 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3470545.

The product of its digits is 96768, while the sum is 39.

The square root of 426871623 is about 20660.8717870278. The cubic root of 426871623 is about 752.9493483669.

The spelling of 426871623 in words is "four hundred twenty-six million, eight hundred seventy-one thousand, six hundred twenty-three".