231228843 has 8 divisors (see below), whose sum is σ = 309221328. Its totient is φ = 153694464.

The previous prime is 231228827. The next prime is 231228869. The reversal of 231228843 is 348822132.

231228843 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is not a de Polignac number, because 231228843 - 2⁴ = 231228827 is a prime.

It is not an unprimeable number, because it can be changed into a prime (231228143) 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, 113346 + ... + 115367.

It is an arithmetic number, because the mean of its divisors is an integer number (38652666).

Almost surely, 2^231228843 is an apocalyptic number.

231228843 is a deficient number, since it is larger than the sum of its proper divisors (77992485).

231228843 is a wasteful number, since it uses less digits than its factorization.

231228843 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 229053.

The product of its digits is 18432, while the sum is 33.

The square root of 231228843 is about 15206.2106719590. The cubic root of 231228843 is about 613.7817937108.

The spelling of 231228843 in words is "two hundred thirty-one million, two hundred twenty-eight thousand, eight hundred forty-three".