40313523017 has 2 divisors, whose sum is σ = 40313523018. Its totient is φ = 40313523016.

The previous prime is 40313522971. The next prime is 40313523031. The reversal of 40313523017 is 71032531304.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 21957608761 + 18355914256 = 148181^2 + 135484^2 .

It is a cyclic number.

It is not a de Polignac number, because 40313523017 - 2⁸ = 40313522761 is a prime.

It is not a weakly prime, because it can be changed into another prime (40313523067) 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, 20156761508 + 20156761509.

It is an arithmetic number, because the mean of its divisors is an integer number (20156761509).

Almost surely, 2^40313523017 is an apocalyptic number.

It is an amenable number.

40313523017 is a deficient number, since it is larger than the sum of its proper divisors (1).

40313523017 is an equidigital number, since it uses as much as digits as its factorization.

40313523017 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 7560, while the sum is 29.

The spelling of 40313523017 in words is "forty billion, three hundred thirteen million, five hundred twenty-three thousand, seventeen".