40442225323 has 2 divisors, whose sum is σ = 40442225324. Its totient is φ = 40442225322.

The previous prime is 40442225311. The next prime is 40442225339. The reversal of 40442225323 is 32352224404.

40442225323 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-40442225323 is a prime.

It is not a weakly prime, because it can be changed into another prime (40442223323) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20221112661 + 20221112662.

It is an arithmetic number, because the mean of its divisors is an integer number (20221112662).

Almost surely, 2^40442225323 is an apocalyptic number.

40442225323 is a deficient number, since it is larger than the sum of its proper divisors (1).

40442225323 is an equidigital number, since it uses as much as digits as its factorization.

40442225323 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 46080, while the sum is 31.

Adding to 40442225323 its reverse (32352224404), we get a palindrome (72794449727).

The spelling of 40442225323 in words is "forty billion, four hundred forty-two million, two hundred twenty-five thousand, three hundred twenty-three".