426011243 has 24 divisors (see below), whose sum is σ = 510898752. Its totient is φ = 354004224.

The previous prime is 426011237. The next prime is 426011249. The reversal of 426011243 is 342110624.

It is an interprime number because it is at equal distance from previous prime (426011237) and next prime (426011249).

It is not a de Polignac number, because 426011243 - 2¹⁸ = 425749099 is a prime.

It is not an unprimeable number, because it can be changed into a prime (426011249) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 259421 + ... + 261057.

It is an arithmetic number, because the mean of its divisors is an integer number (21287448).

Almost surely, 2^426011243 is an apocalyptic number.

426011243 is a deficient number, since it is larger than the sum of its proper divisors (84887509).

426011243 is a wasteful number, since it uses less digits than its factorization.

426011243 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1811 (or 1804 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 23.

The square root of 426011243 is about 20640.0398013182. The cubic root of 426011243 is about 752.4431397455.

Adding to 426011243 its reverse (342110624), we get a palindrome (768121867).

The spelling of 426011243 in words is "four hundred twenty-six million, eleven thousand, two hundred forty-three".