231010223 has 2 divisors, whose sum is σ = 231010224. Its totient is φ = 231010222.

The previous prime is 231010103. The next prime is 231010231. The reversal of 231010223 is 322010132.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 231010223 - 2¹⁴ = 230993839 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 231010198 and 231010207.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (231010243) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 115505111 + 115505112.

It is an arithmetic number, because the mean of its divisors is an integer number (115505112).

Almost surely, 2^231010223 is an apocalyptic number.

231010223 is a deficient number, since it is larger than the sum of its proper divisors (1).

231010223 is an equidigital number, since it uses as much as digits as its factorization.

231010223 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 72, while the sum is 14.

The square root of 231010223 is about 15199.0204618587. The cubic root of 231010223 is about 613.5882952333.

Adding to 231010223 its reverse (322010132), we get a palindrome (553020355).

Subtracting 231010223 from its reverse (322010132), we obtain a palindrome (90999909).

The spelling of 231010223 in words is "two hundred thirty-one million, ten thousand, two hundred twenty-three".