231103723 has 2 divisors, whose sum is σ = 231103724. Its totient is φ = 231103722.

The previous prime is 231103721. The next prime is 231103727. The reversal of 231103723 is 327301132.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 231103723 - 2¹ = 231103721 is a prime.

Together with 231103721, it forms a pair of twin primes.

It is a junction number, because it is equal to n+sod(n) for n = 231103694 and 231103703.

It is not a weakly prime, because it can be changed into another prime (231103721) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 115551861 + 115551862.

It is an arithmetic number, because the mean of its divisors is an integer number (115551862).

Almost surely, 2^231103723 is an apocalyptic number.

231103723 is a deficient number, since it is larger than the sum of its proper divisors (1).

231103723 is an equidigital number, since it uses as much as digits as its factorization.

231103723 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 756, while the sum is 22.

The square root of 231103723 is about 15202.0960068012. The cubic root of 231103723 is about 613.6710661261.

Adding to 231103723 its reverse (327301132), we get a palindrome (558404855).

The spelling of 231103723 in words is "two hundred thirty-one million, one hundred three thousand, seven hundred twenty-three".