231120707723 has 2 divisors, whose sum is σ = 231120707724. Its totient is φ = 231120707722.

The previous prime is 231120707717. The next prime is 231120707861. The reversal of 231120707723 is 327707021132.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-231120707723 is a prime.

It is not a weakly prime, because it can be changed into another prime (231120707023) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 115560353861 + 115560353862.

It is an arithmetic number, because the mean of its divisors is an integer number (115560353862).

Almost surely, 2^231120707723 is an apocalyptic number.

231120707723 is a deficient number, since it is larger than the sum of its proper divisors (1).

231120707723 is an equidigital number, since it uses as much as digits as its factorization.

231120707723 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 24696, while the sum is 35.

Adding to 231120707723 its reverse (327707021132), we get a palindrome (558827728855).

The spelling of 231120707723 in words is "two hundred thirty-one billion, one hundred twenty million, seven hundred seven thousand, seven hundred twenty-three".