231303212223 has 8 divisors (see below), whose sum is σ = 321813164928. Its totient is φ = 147497700504.

The previous prime is 231303212209. The next prime is 231303212249. The reversal of 231303212223 is 322212303132.

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

It is not a de Polignac number, because 231303212223 - 2⁸ = 231303211967 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 231303212193 and 231303212202.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (231303212323) 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, 1676110165 + ... + 1676110302.

It is an arithmetic number, because the mean of its divisors is an integer number (40226645616).

Almost surely, 2^231303212223 is an apocalyptic number.

231303212223 is a gapful number since it is divisible by the number (23) formed by its first and last digit.

231303212223 is a deficient number, since it is larger than the sum of its proper divisors (90509952705).

231303212223 is a wasteful number, since it uses less digits than its factorization.

231303212223 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3352220493.

The product of its (nonzero) digits is 2592, while the sum is 24.

Adding to 231303212223 its reverse (322212303132), we get a palindrome (553515515355).

Subtracting 231303212223 from its reverse (322212303132), we obtain a palindrome (90909090909).

The spelling of 231303212223 in words is "two hundred thirty-one billion, three hundred three million, two hundred twelve thousand, two hundred twenty-three".