12653404723 has 2 divisors, whose sum is σ = 12653404724. Its totient is φ = 12653404722.

The previous prime is 12653404693. The next prime is 12653404783. The reversal of 12653404723 is 32740435621.

12653404723 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-12653404723 is a prime.

It is not a weakly prime, because it can be changed into another prime (12653404783) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6326702361 + 6326702362.

It is an arithmetic number, because the mean of its divisors is an integer number (6326702362).

Almost surely, 2^12653404723 is an apocalyptic number.

12653404723 is a deficient number, since it is larger than the sum of its proper divisors (1).

12653404723 is an equidigital number, since it uses as much as digits as its factorization.

12653404723 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 120960, while the sum is 37.

The spelling of 12653404723 in words is "twelve billion, six hundred fifty-three million, four hundred four thousand, seven hundred twenty-three".