42434244431323 has 2 divisors, whose sum is σ = 42434244431324. Its totient is φ = 42434244431322.

The previous prime is 42434244431251. The next prime is 42434244431401. The reversal of 42434244431323 is 32313444243424.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 42434244431323 - 2¹⁷ = 42434244300251 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 42434244431323.

It is not a weakly prime, because it can be changed into another prime (42434244531323) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21217122215661 + 21217122215662.

It is an arithmetic number, because the mean of its divisors is an integer number (21217122215662).

Almost surely, 2^{42434244431323} is an apocalyptic number.

42434244431323 is a deficient number, since it is larger than the sum of its proper divisors (1).

42434244431323 is an equidigital number, since it uses as much as digits as its factorization.

42434244431323 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2654208, while the sum is 43.

Adding to 42434244431323 its reverse (32313444243424), we get a palindrome (74747688674747).

The spelling of 42434244431323 in words is "forty-two trillion, four hundred thirty-four billion, two hundred forty-four million, four hundred thirty-one thousand, three hundred twenty-three".