423847880089 has 8 divisors (see below), whose sum is σ = 446736218760. Its totient is φ = 401511067776.

The previous prime is 423847880069. The next prime is 423847880101. The reversal of 423847880089 is 980088748324.

It can be written as a sum of positive squares in 4 ways, for example, as 160260105625 + 263587774464 = 400325^2 + 513408^2 .

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 423847880089 - 2¹⁹ = 423847355801 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (423847880069) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 137880012 + ... + 137883085.

It is an arithmetic number, because the mean of its divisors is an integer number (55842027345).

Almost surely, 2^423847880089 is an apocalyptic number.

It is an amenable number.

423847880089 is a deficient number, since it is larger than the sum of its proper divisors (22888338671).

423847880089 is a wasteful number, since it uses less digits than its factorization.

423847880089 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 275763179.

The product of its (nonzero) digits is 24772608, while the sum is 61.

The spelling of 423847880089 in words is "four hundred twenty-three billion, eight hundred forty-seven million, eight hundred eighty thousand, eighty-nine".