40403670070723 has 2 divisors, whose sum is σ = 40403670070724. Its totient is φ = 40403670070722.

The previous prime is 40403670070703. The next prime is 40403670070763. The reversal of 40403670070723 is 32707007630404.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-40403670070723 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 40403670070723.

It is not a weakly prime, because it can be changed into another prime (40403670070703) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20201835035361 + 20201835035362.

It is an arithmetic number, because the mean of its divisors is an integer number (20201835035362).

Almost surely, 2^{40403670070723} is an apocalyptic number.

40403670070723 is a deficient number, since it is larger than the sum of its proper divisors (1).

40403670070723 is an equidigital number, since it uses as much as digits as its factorization.

40403670070723 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 592704, while the sum is 43.

The spelling of 40403670070723 in words is "forty trillion, four hundred three billion, six hundred seventy million, seventy thousand, seven hundred twenty-three".