232840534 has 16 divisors (see below), whose sum is σ = 371136816. Its totient is φ = 109177600.

The previous prime is 232840513. The next prime is 232840537. The reversal of 232840534 is 435048232.

It is a junction number, because it is equal to n+sod(n) for n = 232840496 and 232840505.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (232840537) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2632 + ... + 21739.

It is an arithmetic number, because the mean of its divisors is an integer number (23196051).

Almost surely, 2^232840534 is an apocalyptic number.

232840534 is a deficient number, since it is larger than the sum of its proper divisors (138296282).

232840534 is a wasteful number, since it uses less digits than its factorization.

232840534 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24671.

The product of its (nonzero) digits is 23040, while the sum is 31.

The square root of 232840534 is about 15259.1131459204. The cubic root of 232840534 is about 615.2045359296.

Adding to 232840534 its reverse (435048232), we get a palindrome (667888766).

The spelling of 232840534 in words is "two hundred thirty-two million, eight hundred forty thousand, five hundred thirty-four".