234535643 has 8 divisors (see below), whose sum is σ = 236675520. Its totient is φ = 232402240.

The previous prime is 234535619. The next prime is 234535661. The reversal of 234535643 is 346535432.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 234535643 - 2⁶ = 234535579 is a prime.

It is a Duffinian number.

It is a plaindrome in base 12.

It is not an unprimeable number, because it can be changed into a prime (234535663) 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, 97313 + ... + 99693.

It is an arithmetic number, because the mean of its divisors is an integer number (29584440).

Almost surely, 2^234535643 is an apocalyptic number.

234535643 is a deficient number, since it is larger than the sum of its proper divisors (2139877).

234535643 is a wasteful number, since it uses less digits than its factorization.

234535643 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3237.

The product of its digits is 129600, while the sum is 35.

The square root of 234535643 is about 15314.5565720983. The cubic root of 234535643 is about 616.6938503072.

The spelling of 234535643 in words is "two hundred thirty-four million, five hundred thirty-five thousand, six hundred forty-three".