72835730423 has 2 divisors, whose sum is σ = 72835730424. Its totient is φ = 72835730422.

The previous prime is 72835730417. The next prime is 72835730449. The reversal of 72835730423 is 32403753827.

It is a weak prime.

It is an emirp because it is prime and its reverse (32403753827) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 72835730423 - 2⁸ = 72835730167 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (72835730413) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 36417865211 + 36417865212.

It is an arithmetic number, because the mean of its divisors is an integer number (36417865212).

Almost surely, 2^72835730423 is an apocalyptic number.

72835730423 is a deficient number, since it is larger than the sum of its proper divisors (1).

72835730423 is an equidigital number, since it uses as much as digits as its factorization.

72835730423 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 846720, while the sum is 44.

The spelling of 72835730423 in words is "seventy-two billion, eight hundred thirty-five million, seven hundred thirty thousand, four hundred twenty-three".