230403544143 has 4 divisors (see below), whose sum is σ = 307204725528. Its totient is φ = 153602362760.

The previous prime is 230403544127. The next prime is 230403544187. The reversal of 230403544143 is 341445304032.

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 230403544143 - 2⁴ = 230403544127 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (230403544103) 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, 38400590688 + ... + 38400590693.

It is an arithmetic number, because the mean of its divisors is an integer number (76801181382).

Almost surely, 2^230403544143 is an apocalyptic number.

230403544143 is a deficient number, since it is larger than the sum of its proper divisors (76801181385).

230403544143 is an equidigital number, since it uses as much as digits as its factorization.

230403544143 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 76801181384.

The product of its (nonzero) digits is 69120, while the sum is 33.

Adding to 230403544143 its reverse (341445304032), we get a palindrome (571848848175).

The spelling of 230403544143 in words is "two hundred thirty billion, four hundred three million, five hundred forty-four thousand, one hundred forty-three".