40978707323 has 2 divisors, whose sum is σ = 40978707324. Its totient is φ = 40978707322.

The previous prime is 40978707241. The next prime is 40978707353. The reversal of 40978707323 is 32370787904.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 40978707323 - 2²⁰ = 40977658747 is a prime.

It is not a weakly prime, because it can be changed into another prime (40978707353) 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, 20489353661 + 20489353662.

It is an arithmetic number, because the mean of its divisors is an integer number (20489353662).

Almost surely, 2^40978707323 is an apocalyptic number.

40978707323 is a deficient number, since it is larger than the sum of its proper divisors (1).

40978707323 is an equidigital number, since it uses as much as digits as its factorization.

40978707323 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1778112, while the sum is 50.

The spelling of 40978707323 in words is "forty billion, nine hundred seventy-eight million, seven hundred seven thousand, three hundred twenty-three".