230528968947 has 8 divisors (see below), whose sum is σ = 341524398480. Its totient is φ = 153685979280.

The previous prime is 230528968937. The next prime is 230528968961. The reversal of 230528968947 is 749869825032.

230528968947 is a `hidden beast` number, since 2 + 3 + 0 + 528 + 9 + 68 + 9 + 47 = 666.

It is not a de Polignac number, because 230528968947 - 2¹⁵ = 230528936179 is a prime.

It is not an unprimeable number, because it can be changed into a prime (230528968937) 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, 4269054954 + ... + 4269055007.

It is an arithmetic number, because the mean of its divisors is an integer number (42690549810).

Almost surely, 2^230528968947 is an apocalyptic number.

230528968947 is a gapful number since it is divisible by the number (27) formed by its first and last digit.

230528968947 is a deficient number, since it is larger than the sum of its proper divisors (110995429533).

230528968947 is an equidigital number, since it uses as much as digits as its factorization.

230528968947 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8538109970 (or 8538109964 counting only the distinct ones).

The product of its (nonzero) digits is 52254720, while the sum is 63.

The spelling of 230528968947 in words is "two hundred thirty billion, five hundred twenty-eight million, nine hundred sixty-eight thousand, nine hundred forty-seven".