230935219871 has 4 divisors (see below), whose sum is σ = 234849376200. Its totient is φ = 227021063544.

The previous prime is 230935219841. The next prime is 230935219877. The reversal of 230935219871 is 178912539032.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-230935219871 is a prime.

It is a super-2 number, since 2×230935219871² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (230935219877) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1957078076 + ... + 1957078193.

It is an arithmetic number, because the mean of its divisors is an integer number (58712344050).

Almost surely, 2^230935219871 is an apocalyptic number.

230935219871 is a deficient number, since it is larger than the sum of its proper divisors (3914156329).

230935219871 is an equidigital number, since it uses as much as digits as its factorization.

230935219871 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3914156328.

The product of its (nonzero) digits is 816480, while the sum is 50.

The spelling of 230935219871 in words is "two hundred thirty billion, nine hundred thirty-five million, two hundred nineteen thousand, eight hundred seventy-one".