581941223 has 4 divisors (see below), whose sum is σ = 582025368. Its totient is φ = 581857080.

The previous prime is 581941201. The next prime is 581941273. The reversal of 581941223 is 322149185.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 581941223 - 2¹⁶ = 581875687 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (581941273) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 30668 + ... + 45873.

It is an arithmetic number, because the mean of its divisors is an integer number (145506342).

Almost surely, 2^581941223 is an apocalyptic number.

581941223 is a deficient number, since it is larger than the sum of its proper divisors (84145).

581941223 is an equidigital number, since it uses as much as digits as its factorization.

581941223 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 84144.

The product of its digits is 17280, while the sum is 35.

The square root of 581941223 is about 24123.4579403534. The cubic root of 581941223 is about 834.8844536352.

The spelling of 581941223 in words is "five hundred eighty-one million, nine hundred forty-one thousand, two hundred twenty-three".