1231232333 has 2 divisors, whose sum is σ = 1231232334. Its totient is φ = 1231232332.

The previous prime is 1231232311. The next prime is 1231232339. The reversal of 1231232333 is 3332321321.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 778521604 + 452710729 = 27902^2 + 21277^2 .

It is a cyclic number.

It is not a de Polignac number, because 1231232333 - 2⁶ = 1231232269 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1231232299 and 1231232308.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1231232339) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 615616166 + 615616167.

It is an arithmetic number, because the mean of its divisors is an integer number (615616167).

Almost surely, 2^1231232333 is an apocalyptic number.

It is an amenable number.

1231232333 is a deficient number, since it is larger than the sum of its proper divisors (1).

1231232333 is an equidigital number, since it uses as much as digits as its factorization.

1231232333 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1944, while the sum is 23.

The square root of 1231232333 is about 35088.9203738160. The cubic root of 1231232333 is about 1071.7989747641.

Adding to 1231232333 its reverse (3332321321), we get a palindrome (4563553654).

The spelling of 1231232333 in words is "one billion, two hundred thirty-one million, two hundred thirty-two thousand, three hundred thirty-three".