230728107365524 has 6 divisors (see below), whose sum is σ = 403774187889674. Its totient is φ = 115364053682760.

The previous prime is 230728107365521. The next prime is 230728107365527. The reversal of 230728107365524 is 425563701827032.

It is an interprime number because it is at equal distance from previous prime (230728107365521) and next prime (230728107365527).

It can be written as a sum of positive squares in only one way, i.e., 178010778516624 + 52717328848900 = 13342068^2 + 7260670^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (230728107365521) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28841013420687 + ... + 28841013420694.

Almost surely, 2^{230728107365524} is an apocalyptic number.

It is an amenable number.

230728107365524 is a deficient number, since it is larger than the sum of its proper divisors (173046080524150).

230728107365524 is a wasteful number, since it uses less digits than its factorization.

230728107365524 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 57682026841385 (or 57682026841383 counting only the distinct ones).

The product of its (nonzero) digits is 16934400, while the sum is 55.

The spelling of 230728107365524 in words is "two hundred thirty trillion, seven hundred twenty-eight billion, one hundred seven million, three hundred sixty-five thousand, five hundred twenty-four".