40104743123 has 2 divisors, whose sum is σ = 40104743124. Its totient is φ = 40104743122.

The previous prime is 40104743093. The next prime is 40104743137. The reversal of 40104743123 is 32134740104.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 40104743123 - 2¹² = 40104739027 is a prime.

It is not a weakly prime, because it can be changed into another prime (40104743153) 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, 20052371561 + 20052371562.

It is an arithmetic number, because the mean of its divisors is an integer number (20052371562).

Almost surely, 2^40104743123 is an apocalyptic number.

40104743123 is a deficient number, since it is larger than the sum of its proper divisors (1).

40104743123 is an equidigital number, since it uses as much as digits as its factorization.

40104743123 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 8064, while the sum is 29.

The spelling of 40104743123 in words is "forty billion, one hundred four million, seven hundred forty-three thousand, one hundred twenty-three".