40625578723 has 2 divisors, whose sum is σ = 40625578724. Its totient is φ = 40625578722.

The previous prime is 40625578711. The next prime is 40625578733. The reversal of 40625578723 is 32787552604.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-40625578723 is a prime.

It is not a weakly prime, because it can be changed into another prime (40625578733) 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, 20312789361 + 20312789362.

It is an arithmetic number, because the mean of its divisors is an integer number (20312789362).

Almost surely, 2^40625578723 is an apocalyptic number.

40625578723 is a deficient number, since it is larger than the sum of its proper divisors (1).

40625578723 is an equidigital number, since it uses as much as digits as its factorization.

40625578723 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2822400, while the sum is 49.

The spelling of 40625578723 in words is "forty billion, six hundred twenty-five million, five hundred seventy-eight thousand, seven hundred twenty-three".