232040643 has 16 divisors (see below), whose sum is σ = 312969216. Its totient is φ = 152913600.

The previous prime is 232040639. The next prime is 232040651. The reversal of 232040643 is 346040232.

It is a happy number.

232040643 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 232040643 - 2² = 232040639 is a prime.

It is not an unprimeable number, because it can be changed into a prime (232040603) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 99871 + ... + 102167.

It is an arithmetic number, because the mean of its divisors is an integer number (19560576).

Almost surely, 2^232040643 is an apocalyptic number.

232040643 is a deficient number, since it is larger than the sum of its proper divisors (80928573).

232040643 is a wasteful number, since it uses less digits than its factorization.

232040643 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2674.

The product of its (nonzero) digits is 3456, while the sum is 24.

The square root of 232040643 is about 15232.8803251388. The cubic root of 232040643 is about 614.4992447009.

Adding to 232040643 its reverse (346040232), we get a palindrome (578080875).

The spelling of 232040643 in words is "two hundred thirty-two million, forty thousand, six hundred forty-three".