581231147423 has 2 divisors, whose sum is σ = 581231147424. Its totient is φ = 581231147422.

The previous prime is 581231147389. The next prime is 581231147461. The reversal of 581231147423 is 324741132185.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 581231147423 - 2¹⁰ = 581231146399 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (581231147923) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 290615573711 + 290615573712.

It is an arithmetic number, because the mean of its divisors is an integer number (290615573712).

Almost surely, 2^581231147423 is an apocalyptic number.

581231147423 is a deficient number, since it is larger than the sum of its proper divisors (1).

581231147423 is an equidigital number, since it uses as much as digits as its factorization.

581231147423 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 161280, while the sum is 41.

The spelling of 581231147423 in words is "five hundred eighty-one billion, two hundred thirty-one million, one hundred forty-seven thousand, four hundred twenty-three".