231214723 has 2 divisors, whose sum is σ = 231214724. Its totient is φ = 231214722.

The previous prime is 231214721. The next prime is 231214733. The reversal of 231214723 is 327412132.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 231214723 - 2¹ = 231214721 is a prime.

Together with 231214721, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (231214721) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 115607361 + 115607362.

It is an arithmetic number, because the mean of its divisors is an integer number (115607362).

Almost surely, 2^231214723 is an apocalyptic number.

231214723 is a deficient number, since it is larger than the sum of its proper divisors (1).

231214723 is an equidigital number, since it uses as much as digits as its factorization.

231214723 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2016, while the sum is 25.

The square root of 231214723 is about 15205.7463808917. The cubic root of 231214723 is about 613.7692999186.

Adding to 231214723 its reverse (327412132), we get a palindrome (558626855).

The spelling of 231214723 in words is "two hundred thirty-one million, two hundred fourteen thousand, seven hundred twenty-three".