231302420323 has 4 divisors (see below), whose sum is σ = 249094914208. Its totient is φ = 213509926440.

The previous prime is 231302420309. The next prime is 231302420339. The reversal of 231302420323 is 323024203132.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-231302420323 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (231302420353) 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, 8896246923 + ... + 8896246948.

It is an arithmetic number, because the mean of its divisors is an integer number (62273728552).

Almost surely, 2^231302420323 is an apocalyptic number.

231302420323 is a deficient number, since it is larger than the sum of its proper divisors (17792493885).

231302420323 is a wasteful number, since it uses less digits than its factorization.

231302420323 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17792493884.

The product of its (nonzero) digits is 5184, while the sum is 25.

Adding to 231302420323 its reverse (323024203132), we get a palindrome (554326623455).

The spelling of 231302420323 in words is "two hundred thirty-one billion, three hundred two million, four hundred twenty thousand, three hundred twenty-three".