5728239231 has 16 divisors (see below), whose sum is σ = 8972906880. Its totient is φ = 3204609120.

The previous prime is 5728239229. The next prime is 5728239269. The reversal of 5728239231 is 1329328275.

It is not a de Polignac number, because 5728239231 - 2¹ = 5728239229 is a prime.

It is a super-2 number, since 2×5728239231² = 65625449375134942722, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5728239211) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6675841 + ... + 6676698.

It is an arithmetic number, because the mean of its divisors is an integer number (560806680).

Almost surely, 2^5728239231 is an apocalyptic number.

5728239231 is a deficient number, since it is larger than the sum of its proper divisors (3244667649).

5728239231 is a wasteful number, since it uses less digits than its factorization.

5728239231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13352566.

The product of its digits is 181440, while the sum is 42.

The square root of 5728239231 is about 75685.1321660998. The cubic root of 5728239231 is about 1789.2610820912.

The spelling of 5728239231 in words is "five billion, seven hundred twenty-eight million, two hundred thirty-nine thousand, two hundred thirty-one".