40442023403 has 2 divisors, whose sum is σ = 40442023404. Its totient is φ = 40442023402.

The previous prime is 40442023301. The next prime is 40442023417. The reversal of 40442023403 is 30432024404.

40442023403 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 40442023403 - 2⁸ = 40442023147 is a prime.

It is a Sophie Germain prime.

It is not a weakly prime, because it can be changed into another prime (40442029403) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20221011701 + 20221011702.

It is an arithmetic number, because the mean of its divisors is an integer number (20221011702).

Almost surely, 2^40442023403 is an apocalyptic number.

40442023403 is a deficient number, since it is larger than the sum of its proper divisors (1).

40442023403 is an equidigital number, since it uses as much as digits as its factorization.

40442023403 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 9216, while the sum is 26.

Adding to 40442023403 its reverse (30432024404), we get a palindrome (70874047807).

The spelling of 40442023403 in words is "forty billion, four hundred forty-two million, twenty-three thousand, four hundred three".