40313323403 has 2 divisors, whose sum is σ = 40313323404. Its totient is φ = 40313323402.

The previous prime is 40313323381. The next prime is 40313323409. The reversal of 40313323403 is 30432331304.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 40313323403 - 2⁸ = 40313323147 is a prime.

It is not a weakly prime, because it can be changed into another prime (40313323409) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20156661701 + 20156661702.

It is an arithmetic number, because the mean of its divisors is an integer number (20156661702).

Almost surely, 2^40313323403 is an apocalyptic number.

40313323403 is a deficient number, since it is larger than the sum of its proper divisors (1).

40313323403 is an equidigital number, since it uses as much as digits as its factorization.

40313323403 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 7776, while the sum is 26.

Adding to 40313323403 its reverse (30432331304), we get a palindrome (70745654707).

The spelling of 40313323403 in words is "forty billion, three hundred thirteen million, three hundred twenty-three thousand, four hundred three".