230443322143 has 4 divisors (see below), whose sum is σ = 237876977728. Its totient is φ = 223009666560.

The previous prime is 230443322141. The next prime is 230443322159. The reversal of 230443322143 is 341223344032.

It is a happy number.

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 230443322143 - 2¹ = 230443322141 is a prime.

It is a super-2 number, since 2×230443322143² (a number of 24 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (31), and also a Moran number because the ratio is a prime number: 7433655553 = 230443322143 / (2 + 3 + 0 + 4 + 4 + 3 + 3 + 2 + 2 + 1 + 4 + 3).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (230443322141) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3716827746 + ... + 3716827807.

It is an arithmetic number, because the mean of its divisors is an integer number (59469244432).

Almost surely, 2^230443322143 is an apocalyptic number.

230443322143 is a deficient number, since it is larger than the sum of its proper divisors (7433655585).

230443322143 is an equidigital number, since it uses as much as digits as its factorization.

230443322143 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7433655584.

The product of its (nonzero) digits is 41472, while the sum is 31.

Adding to 230443322143 its reverse (341223344032), we get a palindrome (571666666175).

The spelling of 230443322143 in words is "two hundred thirty billion, four hundred forty-three million, three hundred twenty-two thousand, one hundred forty-three".