40423424263 has 2 divisors, whose sum is σ = 40423424264. Its totient is φ = 40423424262.

The previous prime is 40423424231. The next prime is 40423424269. The reversal of 40423424263 is 36242432404.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 40423424263 - 2⁵ = 40423424231 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (40423424269) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20211712131 + 20211712132.

It is an arithmetic number, because the mean of its divisors is an integer number (20211712132).

Almost surely, 2^40423424263 is an apocalyptic number.

40423424263 is a deficient number, since it is larger than the sum of its proper divisors (1).

40423424263 is an equidigital number, since it uses as much as digits as its factorization.

40423424263 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 110592, while the sum is 34.

Adding to 40423424263 its reverse (36242432404), we get a palindrome (76665856667).

The spelling of 40423424263 in words is "forty billion, four hundred twenty-three million, four hundred twenty-four thousand, two hundred sixty-three".