1231230323 has 2 divisors, whose sum is σ = 1231230324. Its totient is φ = 1231230322.

The previous prime is 1231230263. The next prime is 1231230397. The reversal of 1231230323 is 3230321321.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1231230323 - 2¹⁶ = 1231164787 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1231230295 and 1231230304.

It is not a weakly prime, because it can be changed into another prime (1231230823) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 615615161 + 615615162.

It is an arithmetic number, because the mean of its divisors is an integer number (615615162).

Almost surely, 2^1231230323 is an apocalyptic number.

1231230323 is a deficient number, since it is larger than the sum of its proper divisors (1).

1231230323 is an equidigital number, since it uses as much as digits as its factorization.

1231230323 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 648, while the sum is 20.

The square root of 1231230323 is about 35088.8917322847. The cubic root of 1231230323 is about 1071.7983915227.

Adding to 1231230323 its reverse (3230321321), we get a palindrome (4461551644).

The spelling of 1231230323 in words is "one billion, two hundred thirty-one million, two hundred thirty thousand, three hundred twenty-three".