581725409323 has 8 divisors (see below), whose sum is σ = 607175536896. Its totient is φ = 556288425000.

The previous prime is 581725409207. The next prime is 581725409341. The reversal of 581725409323 is 323904527185.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-581725409323 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (581725409423) 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 in 7 ways as a sum of consecutive naturals, for example, 3195303 + ... + 3372448.

It is an arithmetic number, because the mean of its divisors is an integer number (75896942112).

Almost surely, 2^581725409323 is an apocalyptic number.

581725409323 is a deficient number, since it is larger than the sum of its proper divisors (25450127573).

581725409323 is a wasteful number, since it uses less digits than its factorization.

581725409323 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6571625.

The product of its (nonzero) digits is 1814400, while the sum is 49.

The spelling of 581725409323 in words is "five hundred eighty-one billion, seven hundred twenty-five million, four hundred nine thousand, three hundred twenty-three".