1232443217 has 2 divisors, whose sum is σ = 1232443218. Its totient is φ = 1232443216.

The previous prime is 1232443187. The next prime is 1232443241. The reversal of 1232443217 is 7123442321.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1148464321 + 83978896 = 33889^2 + 9164^2 .

It is a cyclic number.

It is not a de Polignac number, because 1232443217 - 2¹⁰ = 1232442193 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1232443217.

It is not a weakly prime, because it can be changed into another prime (1232403217) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 616221608 + 616221609.

It is an arithmetic number, because the mean of its divisors is an integer number (616221609).

Almost surely, 2^1232443217 is an apocalyptic number.

It is an amenable number.

1232443217 is a deficient number, since it is larger than the sum of its proper divisors (1).

1232443217 is an equidigital number, since it uses as much as digits as its factorization.

1232443217 is an evil number, because the sum of its binary digits is even.

The product of its digits is 8064, while the sum is 29.

The square root of 1232443217 is about 35106.1706399317. The cubic root of 1232443217 is about 1072.1502214971.

Adding to 1232443217 its reverse (7123442321), we get a palindrome (8355885538).

The spelling of 1232443217 in words is "one billion, two hundred thirty-two million, four hundred forty-three thousand, two hundred seventeen".