230231197947 has 16 divisors (see below), whose sum is σ = 319953840128. Its totient is φ = 147094151040.

The previous prime is 230231197943. The next prime is 230231197957. The reversal of 230231197947 is 749791132032.

It is not a de Polignac number, because 230231197947 - 2² = 230231197943 is a prime.

It is a super-2 number, since 2×230231197947² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 230231197896 and 230231197905.

It is not an unprimeable number, because it can be changed into a prime (230231197943) 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, 12007918 + ... + 12027075.

It is an arithmetic number, because the mean of its divisors is an integer number (19997115008).

Almost surely, 2^230231197947 is an apocalyptic number.

230231197947 is a deficient number, since it is larger than the sum of its proper divisors (89722642181).

230231197947 is a wasteful number, since it uses less digits than its factorization.

230231197947 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24035130.

The product of its (nonzero) digits is 571536, while the sum is 48.

The spelling of 230231197947 in words is "two hundred thirty billion, two hundred thirty-one million, one hundred ninety-seven thousand, nine hundred forty-seven".