230143400311 has 4 divisors (see below), whose sum is σ = 251065527624. Its totient is φ = 209221273000.

The previous prime is 230143400297. The next prime is 230143400323. The reversal of 230143400311 is 113004341032.

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 230143400311 - 2¹³ = 230143392119 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (230143400351) 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, 10461063640 + ... + 10461063661.

It is an arithmetic number, because the mean of its divisors is an integer number (62766381906).

Almost surely, 2^230143400311 is an apocalyptic number.

230143400311 is a deficient number, since it is larger than the sum of its proper divisors (20922127313).

230143400311 is a wasteful number, since it uses less digits than its factorization.

230143400311 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20922127312.

The product of its (nonzero) digits is 864, while the sum is 22.

Adding to 230143400311 its reverse (113004341032), we get a palindrome (343147741343).

The spelling of 230143400311 in words is "two hundred thirty billion, one hundred forty-three million, four hundred thousand, three hundred eleven".