1232023217 has 4 divisors (see below), whose sum is σ = 1232796276. Its totient is φ = 1231250160.

The previous prime is 1232023187. The next prime is 1232023231. The reversal of 1232023217 is 7123202321.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 339149056 + 892874161 = 18416^2 + 29881^2 .

It is a cyclic number.

It is not a de Polignac number, because 1232023217 - 2¹⁰ = 1232022193 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1232023192 and 1232023201.

It is not an unprimeable number, because it can be changed into a prime (1232023277) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 384134 + ... + 387327.

It is an arithmetic number, because the mean of its divisors is an integer number (308199069).

Almost surely, 2^1232023217 is an apocalyptic number.

It is an amenable number.

1232023217 is a deficient number, since it is larger than the sum of its proper divisors (773059).

1232023217 is an equidigital number, since it uses as much as digits as its factorization.

1232023217 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 773058.

The product of its (nonzero) digits is 1008, while the sum is 23.

The square root of 1232023217 is about 35100.1882758483. The cubic root of 1232023217 is about 1072.0284162220.

Adding to 1232023217 its reverse (7123202321), we get a palindrome (8355225538).

The spelling of 1232023217 in words is "one billion, two hundred thirty-two million, twenty-three thousand, two hundred seventeen".