724935923 has 2 divisors, whose sum is σ = 724935924. Its totient is φ = 724935922.

The previous prime is 724935907. The next prime is 724935983. The reversal of 724935923 is 329539427.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 724935923 - 2⁴ = 724935907 is a prime.

It is not a weakly prime, because it can be changed into another prime (724935983) 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, 362467961 + 362467962.

It is an arithmetic number, because the mean of its divisors is an integer number (362467962).

Almost surely, 2^724935923 is an apocalyptic number.

724935923 is a deficient number, since it is larger than the sum of its proper divisors (1).

724935923 is an equidigital number, since it uses as much as digits as its factorization.

724935923 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 408240, while the sum is 44.

The square root of 724935923 is about 26924.6341293619. The cubic root of 724935923 is about 898.3244227550.

The spelling of 724935923 in words is "seven hundred twenty-four million, nine hundred thirty-five thousand, nine hundred twenty-three".