1230433133 has 2 divisors, whose sum is σ = 1230433134. Its totient is φ = 1230433132.

The previous prime is 1230433129. The next prime is 1230433147. The reversal of 1230433133 is 3313340321.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1138522564 + 91910569 = 33742^2 + 9587^2 .

It is a cyclic number.

It is not a de Polignac number, because 1230433133 - 2² = 1230433129 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1230433099 and 1230433108.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1230433153) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 615216566 + 615216567.

It is an arithmetic number, because the mean of its divisors is an integer number (615216567).

Almost surely, 2^1230433133 is an apocalyptic number.

It is an amenable number.

1230433133 is a deficient number, since it is larger than the sum of its proper divisors (1).

1230433133 is an equidigital number, since it uses as much as digits as its factorization.

1230433133 is an evil number, because the sum of its binary digits is even.

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

The square root of 1230433133 is about 35077.5303150036. The cubic root of 1230433133 is about 1071.5670209397.

Adding to 1230433133 its reverse (3313340321), we get a palindrome (4543773454).

The spelling of 1230433133 in words is "one billion, two hundred thirty million, four hundred thirty-three thousand, one hundred thirty-three".