40407036623 has 2 divisors, whose sum is σ = 40407036624. Its totient is φ = 40407036622.

The previous prime is 40407036563. The next prime is 40407036671. The reversal of 40407036623 is 32663070404.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 40407036623 - 2³⁰ = 39333294799 is a prime.

It is a Sophie Germain prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (40407035623) 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 as a sum of consecutive naturals, namely, 20203518311 + 20203518312.

It is an arithmetic number, because the mean of its divisors is an integer number (20203518312).

Almost surely, 2^40407036623 is an apocalyptic number.

40407036623 is a deficient number, since it is larger than the sum of its proper divisors (1).

40407036623 is an equidigital number, since it uses as much as digits as its factorization.

40407036623 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 72576, while the sum is 35.

The spelling of 40407036623 in words is "forty billion, four hundred seven million, thirty-six thousand, six hundred twenty-three".