231302212223 has 8 divisors (see below), whose sum is σ = 231732970560. Its totient is φ = 230871785760.

The previous prime is 231302212171. The next prime is 231302212243. The reversal of 231302212223 is 322212203132.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 231302212223 - 2²⁸ = 231033776767 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 (231302212243) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1334693 + ... + 1498001.

It is an arithmetic number, because the mean of its divisors is an integer number (28966621320).

Almost surely, 2^231302212223 is an apocalyptic number.

231302212223 is a deficient number, since it is larger than the sum of its proper divisors (430758337).

231302212223 is a wasteful number, since it uses less digits than its factorization.

231302212223 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 165937.

The product of its (nonzero) digits is 1728, while the sum is 23.

Adding to 231302212223 its reverse (322212203132), we get a palindrome (553514415355).

Subtracting 231302212223 from its reverse (322212203132), we obtain a palindrome (90909990909).

The spelling of 231302212223 in words is "two hundred thirty-one billion, three hundred two million, two hundred twelve thousand, two hundred twenty-three".