426242523 has 48 divisors (see below), whose sum is σ = 703261440. Its totient is φ = 228312000.

The previous prime is 426242521. The next prime is 426242533. The reversal of 426242523 is 325242624.

It is not a de Polignac number, because 426242523 - 2¹ = 426242521 is a prime.

It is a hoax number, since the sum of its digits (30) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (426242521) 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 47 ways as a sum of consecutive naturals, for example, 281338 + ... + 282848.

It is an arithmetic number, because the mean of its divisors is an integer number (14651280).

Almost surely, 2^426242523 is an apocalyptic number.

426242523 is a deficient number, since it is larger than the sum of its proper divisors (277018917).

426242523 is a wasteful number, since it uses less digits than its factorization.

426242523 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1648 (or 1641 counting only the distinct ones).

The product of its digits is 23040, while the sum is 30.

The square root of 426242523 is about 20645.6417434770. The cubic root of 426242523 is about 752.5792813530.

The spelling of 426242523 in words is "four hundred twenty-six million, two hundred forty-two thousand, five hundred twenty-three".