426623263 has 8 divisors (see below), whose sum is σ = 481456080. Its totient is φ = 374465280.

The previous prime is 426623227. The next prime is 426623291. The reversal of 426623263 is 362326624.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-426623263 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 (426623063) 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, 668370 + ... + 669007.

It is an arithmetic number, because the mean of its divisors is an integer number (60182010).

Almost surely, 2^426623263 is an apocalyptic number.

426623263 is a deficient number, since it is larger than the sum of its proper divisors (54832817).

426623263 is a wasteful number, since it uses less digits than its factorization.

426623263 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1337417.

The product of its digits is 62208, while the sum is 34.

The square root of 426623263 is about 20654.8605175634. The cubic root of 426623263 is about 752.8032944803.

Adding to 426623263 its reverse (362326624), we get a palindrome (788949887).

The spelling of 426623263 in words is "four hundred twenty-six million, six hundred twenty-three thousand, two hundred sixty-three".