42326436243 has 16 divisors (see below), whose sum is σ = 69458767616. Its totient is φ = 22326032160.

The previous prime is 42326436221. The next prime is 42326436283. The reversal of 42326436243 is 34263462324.

It is not a de Polignac number, because 42326436243 - 2¹³ = 42326428051 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is not an unprimeable number, because it can be changed into a prime (42326436283) 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 15 ways as a sum of consecutive naturals, for example, 77520673 + ... + 77521218.

It is an arithmetic number, because the mean of its divisors is an integer number (4341172976).

Almost surely, 2^42326436243 is an apocalyptic number.

42326436243 is a deficient number, since it is larger than the sum of its proper divisors (27132331373).

42326436243 is a wasteful number, since it uses less digits than its factorization.

42326436243 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 155041914.

The product of its digits is 497664, while the sum is 39.

Adding to 42326436243 its reverse (34263462324), we get a palindrome (76589898567).

The spelling of 42326436243 in words is "forty-two billion, three hundred twenty-six million, four hundred thirty-six thousand, two hundred forty-three".