234353561 has 8 divisors (see below), whose sum is σ = 252531720. Its totient is φ = 216196992.

The previous prime is 234353549. The next prime is 234353563. The reversal of 234353561 is 165353432.

It can be written as a sum of positive squares in 4 ways, for example, as 22505536 + 211848025 = 4744^2 + 14555^2 .

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-234353561 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (234353563) 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, 22541 + ... + 31253.

It is an arithmetic number, because the mean of its divisors is an integer number (31566465).

Almost surely, 2^234353561 is an apocalyptic number.

It is an amenable number.

234353561 is a deficient number, since it is larger than the sum of its proper divisors (18178159).

234353561 is a wasteful number, since it uses less digits than its factorization.

234353561 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10795.

The product of its digits is 32400, while the sum is 32.

The square root of 234353561 is about 15308.6106815739. The cubic root of 234353561 is about 616.5342186776.

The spelling of 234353561 in words is "two hundred thirty-four million, three hundred fifty-three thousand, five hundred sixty-one".