230305677479 has 4 divisors (see below), whose sum is σ = 231091703976. Its totient is φ = 229519650984.

The previous prime is 230305677467. The next prime is 230305677559. The reversal of 230305677479 is 974776503032.

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

It is a cyclic number.

It is not a de Polignac number, because 230305677479 - 2³² = 226010710183 is a prime.

It is a super-2 number, since 2×230305677479² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 230305677479.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (230305677409) 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, 393012809 + ... + 393013394.

It is an arithmetic number, because the mean of its divisors is an integer number (57772925994).

Almost surely, 2^230305677479 is an apocalyptic number.

230305677479 is a deficient number, since it is larger than the sum of its proper divisors (786026497).

230305677479 is an equidigital number, since it uses as much as digits as its factorization.

230305677479 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 786026496.

The product of its (nonzero) digits is 6667920, while the sum is 53.

The spelling of 230305677479 in words is "two hundred thirty billion, three hundred five million, six hundred seventy-seven thousand, four hundred seventy-nine".