234343643 has 8 divisors (see below), whose sum is σ = 237026400. Its totient is φ = 231668928.

The previous prime is 234343631. The next prime is 234343649. The reversal of 234343643 is 346343432.

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 234343643 - 2⁶ = 234343579 is a prime.

It is a super-2 number, since 2×234343643² = 109833886029022898, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (234343649) 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, 71423 + ... + 74631.

It is an arithmetic number, because the mean of its divisors is an integer number (29628300).

Almost surely, 2^234343643 is an apocalyptic number.

234343643 is a deficient number, since it is larger than the sum of its proper divisors (2682757).

234343643 is a wasteful number, since it uses less digits than its factorization.

234343643 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4021.

The product of its digits is 62208, while the sum is 32.

The square root of 234343643 is about 15308.2867428070. The cubic root of 234343643 is about 616.5255211742.

The spelling of 234343643 in words is "two hundred thirty-four million, three hundred forty-three thousand, six hundred forty-three".