232143653 has 16 divisors (see below), whose sum is σ = 295701120. Its totient is φ = 177417216.

The previous prime is 232143631. The next prime is 232143671. The reversal of 232143653 is 356341232.

It is a cyclic number.

It is not a de Polignac number, because 232143653 - 2¹⁸ = 231881509 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (232143673) 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, 49076 + ... + 53597.

It is an arithmetic number, because the mean of its divisors is an integer number (18481320).

Almost surely, 2^232143653 is an apocalyptic number.

It is an amenable number.

232143653 is a deficient number, since it is larger than the sum of its proper divisors (63557467).

232143653 is a wasteful number, since it uses less digits than its factorization.

232143653 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 102716.

The product of its digits is 12960, while the sum is 29.

The square root of 232143653 is about 15236.2611227296. The cubic root of 232143653 is about 614.5901629725.

Adding to 232143653 its reverse (356341232), we get a palindrome (588484885).

The spelling of 232143653 in words is "two hundred thirty-two million, one hundred forty-three thousand, six hundred fifty-three".