1232443216 has 20 divisors (see below), whose sum is σ = 2389427424. Its totient is φ = 615816800.

The previous prime is 1232443187. The next prime is 1232443217. The reversal of 1232443216 is 6123442321.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1232443217) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 621 + ... + 49651.

Almost surely, 2^1232443216 is an apocalyptic number.

1232443216 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

1232443216 is a deficient number, since it is larger than the sum of its proper divisors (1156984208).

1232443216 is a wasteful number, since it uses less digits than its factorization.

1232443216 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 50610 (or 50604 counting only the distinct ones).

The product of its digits is 6912, while the sum is 28.

The square root of 1232443216 is about 35106.1706256892. The cubic root of 1232443216 is about 1072.1502212071.

Adding to 1232443216 its reverse (6123442321), we get a palindrome (7355885537).

The spelling of 1232443216 in words is "one billion, two hundred thirty-two million, four hundred forty-three thousand, two hundred sixteen".