1232443215 has 32 divisors (see below), whose sum is σ = 2192520960. Its totient is φ = 656849952.

The previous prime is 1232443187. The next prime is 1232443217. The reversal of 1232443215 is 5123442321.

1232443215 is a `hidden beast` number, since 1 + 2 + 3 + 2 + 443 + 215 = 666.

It is not a de Polignac number, because 1232443215 - 2⁵ = 1232443183 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

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 31 ways as a sum of consecutive naturals, for example, 304032 + ... + 308058.

It is an arithmetic number, because the mean of its divisors is an integer number (68516280).

Almost surely, 2^1232443215 is an apocalyptic number.

1232443215 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

1232443215 is a deficient number, since it is larger than the sum of its proper divisors (960077745).

1232443215 is a wasteful number, since it uses less digits than its factorization.

1232443215 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6308 (or 6302 counting only the distinct ones).

The product of its digits is 5760, while the sum is 27.

The square root of 1232443215 is about 35106.1706114466. The cubic root of 1232443215 is about 1072.1502209171.

Adding to 1232443215 its reverse (5123442321), we get a palindrome (6355885536).

The spelling of 1232443215 in words is "one billion, two hundred thirty-two million, four hundred forty-three thousand, two hundred fifteen".