1232345533 has 2 divisors, whose sum is σ = 1232345534. Its totient is φ = 1232345532.

The previous prime is 1232345507. The next prime is 1232345617. The reversal of 1232345533 is 3355432321.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 821796889 + 410548644 = 28667^2 + 20262^2 .

It is an emirp because it is prime and its reverse (3355432321) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1232345533 - 2²⁵ = 1198791101 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1232345495 and 1232345504.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1232345033) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 616172766 + 616172767.

It is an arithmetic number, because the mean of its divisors is an integer number (616172767).

Almost surely, 2^1232345533 is an apocalyptic number.

It is an amenable number.

1232345533 is a deficient number, since it is larger than the sum of its proper divisors (1).

1232345533 is an equidigital number, since it uses as much as digits as its factorization.

1232345533 is an evil number, because the sum of its binary digits is even.

The product of its digits is 32400, while the sum is 31.

The square root of 1232345533 is about 35104.7793469778. The cubic root of 1232345533 is about 1072.1218943802.

Adding to 1232345533 its reverse (3355432321), we get a palindrome (4587777854).

The spelling of 1232345533 in words is "one billion, two hundred thirty-two million, three hundred forty-five thousand, five hundred thirty-three".