231302433323 has 4 divisors (see below), whose sum is σ = 249094928208. Its totient is φ = 213509938440.

The previous prime is 231302433311. The next prime is 231302433367. The reversal of 231302433323 is 323334203132.

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 231302433323 - 2¹⁸ = 231302171179 is a prime.

It is a super-2 number, since 2×231302433323² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (231302432323) 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, 8896247423 + ... + 8896247448.

It is an arithmetic number, because the mean of its divisors is an integer number (62273732052).

Almost surely, 2^231302433323 is an apocalyptic number.

231302433323 is a deficient number, since it is larger than the sum of its proper divisors (17792494885).

231302433323 is a wasteful number, since it uses less digits than its factorization.

231302433323 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17792494884.

The product of its (nonzero) digits is 23328, while the sum is 29.

Adding to 231302433323 its reverse (323334203132), we get a palindrome (554636636455).

The spelling of 231302433323 in words is "two hundred thirty-one billion, three hundred two million, four hundred thirty-three thousand, three hundred twenty-three".