230812915889 has 8 divisors (see below), whose sum is σ = 231437556840. Its totient is φ = 230188697856.

The previous prime is 230812915829. The next prime is 230812915897. The reversal of 230812915889 is 988519218032.

It can be written as a sum of positive squares in 4 ways, for example, as 42686865664 + 188126050225 = 206608^2 + 433735^2 .

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 230812915889 - 2¹⁶ = 230812850353 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (230812915829) 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, 1002947 + ... + 1211415.

It is an arithmetic number, because the mean of its divisors is an integer number (28929694605).

Almost surely, 2^230812915889 is an apocalyptic number.

It is an amenable number.

230812915889 is a deficient number, since it is larger than the sum of its proper divisors (624640951).

230812915889 is a wasteful number, since it uses less digits than its factorization.

230812915889 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 211459.

The product of its (nonzero) digits is 2488320, while the sum is 56.

The spelling of 230812915889 in words is "two hundred thirty billion, eight hundred twelve million, nine hundred fifteen thousand, eight hundred eighty-nine".