426424143 has 8 divisors (see below), whose sum is σ = 572382000. Its totient is φ = 282374528.

The previous prime is 426424123. The next prime is 426424147. The reversal of 426424143 is 341424624.

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 426424143 - 2¹⁸ = 426161999 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 426424143.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (426424147) 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, 476538 + ... + 477431.

It is an arithmetic number, because the mean of its divisors is an integer number (71547750).

Almost surely, 2^426424143 is an apocalyptic number.

426424143 is a deficient number, since it is larger than the sum of its proper divisors (145957857).

426424143 is a wasteful number, since it uses less digits than its factorization.

426424143 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 954121.

The product of its digits is 18432, while the sum is 30.

The square root of 426424143 is about 20650.0397820440. The cubic root of 426424143 is about 752.6861563775.

Adding to 426424143 its reverse (341424624), we get a palindrome (767848767).

The spelling of 426424143 in words is "four hundred twenty-six million, four hundred twenty-four thousand, one hundred forty-three".