10423440232 has 16 divisors (see below), whose sum is σ = 19545583140. Its totient is φ = 5211284736.

The previous prime is 10423440229. The next prime is 10423440233. The reversal of 10423440232 is 23204432401.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 5962001796 + 4461438436 = 77214^2 + 66794^2 .

It is a junction number, because it is equal to n+sod(n) for n = 10423440197 and 10423440206.

It is not an unprimeable number, because it can be changed into a prime (10423440233) 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, 61968 + ... + 157120.

Almost surely, 2^10423440232 is an apocalyptic number.

It is an amenable number.

10423440232 is a deficient number, since it is larger than the sum of its proper divisors (9122142908).

10423440232 is a wasteful number, since it uses less digits than its factorization.

10423440232 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 108852 (or 108848 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 25.

Adding to 10423440232 its reverse (23204432401), we get a palindrome (33627872633).

The spelling of 10423440232 in words is "ten billion, four hundred twenty-three million, four hundred forty thousand, two hundred thirty-two".