230440343311 has 4 divisors (see below), whose sum is σ = 230441344312. Its totient is φ = 230439342312.

The previous prime is 230440343297. The next prime is 230440343323. The reversal of 230440343311 is 113343044032.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 230440343311 - 2⁷ = 230440343183 is a prime.

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 230440343311.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (230440343711) 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, 37801 + ... + 679933.

It is an arithmetic number, because the mean of its divisors is an integer number (57610336078).

Almost surely, 2^230440343311 is an apocalyptic number.

230440343311 is a deficient number, since it is larger than the sum of its proper divisors (1001001).

230440343311 is an equidigital number, since it uses as much as digits as its factorization.

230440343311 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1001000.

The product of its (nonzero) digits is 10368, while the sum is 28.

Adding to 230440343311 its reverse (113343044032), we get a palindrome (343783387343).

The spelling of 230440343311 in words is "two hundred thirty billion, four hundred forty million, three hundred forty-three thousand, three hundred eleven".