232436643 has 16 divisors (see below), whose sum is σ = 323796480. Its totient is φ = 148034304.

The previous prime is 232436621. The next prime is 232436647. The reversal of 232436643 is 346634232.

It is a happy number.

It is not a de Polignac number, because 232436643 - 2⁶ = 232436579 is a prime.

It is not an unprimeable number, because it can be changed into a prime (232436647) 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 15 ways as a sum of consecutive naturals, for example, 71763 + ... + 74931.

It is an arithmetic number, because the mean of its divisors is an integer number (20237280).

Almost surely, 2^232436643 is an apocalyptic number.

232436643 is a gapful number since it is divisible by the number (23) formed by its first and last digit.

232436643 is a deficient number, since it is larger than the sum of its proper divisors (91359837).

232436643 is a wasteful number, since it uses less digits than its factorization.

232436643 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4258.

The product of its digits is 62208, while the sum is 33.

The square root of 232436643 is about 15245.8729825484. The cubic root of 232436643 is about 614.8486136736.

The spelling of 232436643 in words is "two hundred thirty-two million, four hundred thirty-six thousand, six hundred forty-three".