423744584861 has 8 divisors (see below), whose sum is σ = 456482043864. Its totient is φ = 391027371840.

The previous prime is 423744584803. The next prime is 423744584899. The reversal of 423744584861 is 168485447324.

It can be written as a sum of positive squares in 4 ways, for example, as 156672680761 + 267071904100 = 395819^2 + 516790^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 423744584861 - 2³⁰ = 422670843037 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 423744584797 and 423744584806.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (423744584161) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5018006 + ... + 5101751.

It is an arithmetic number, because the mean of its divisors is an integer number (57060255483).

Almost surely, 2^423744584861 is an apocalyptic number.

It is an amenable number.

423744584861 is a deficient number, since it is larger than the sum of its proper divisors (32737459003).

423744584861 is a wasteful number, since it uses less digits than its factorization.

423744584861 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10122991.

The product of its digits is 20643840, while the sum is 56.

The spelling of 423744584861 in words is "four hundred twenty-three billion, seven hundred forty-four million, five hundred eighty-four thousand, eight hundred sixty-one".