40223431117 has 2 divisors, whose sum is σ = 40223431118. Its totient is φ = 40223431116.

The previous prime is 40223431099. The next prime is 40223431151. The reversal of 40223431117 is 71113432204.

40223431117 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 can be written as a sum of positive squares in only one way, i.e., 20682466596 + 19540964521 = 143814^2 + 139789^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-40223431117 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (40223431187) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20111715558 + 20111715559.

It is an arithmetic number, because the mean of its divisors is an integer number (20111715559).

Almost surely, 2^40223431117 is an apocalyptic number.

It is an amenable number.

40223431117 is a deficient number, since it is larger than the sum of its proper divisors (1).

40223431117 is an equidigital number, since it uses as much as digits as its factorization.

40223431117 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4032, while the sum is 28.

The spelling of 40223431117 in words is "forty billion, two hundred twenty-three million, four hundred thirty-one thousand, one hundred seventeen".