234342089 has 2 divisors, whose sum is σ = 234342090. Its totient is φ = 234342088.

The previous prime is 234342079. The next prime is 234342137. The reversal of 234342089 is 980243432.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 234334864 + 7225 = 15308^2 + 85^2 .

It is a cyclic number.

It is not a de Polignac number, because 234342089 - 2²⁰ = 233293513 is a prime.

It is not a weakly prime, because it can be changed into another prime (234342079) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 117171044 + 117171045.

It is an arithmetic number, because the mean of its divisors is an integer number (117171045).

Almost surely, 2^234342089 is an apocalyptic number.

It is an amenable number.

234342089 is a deficient number, since it is larger than the sum of its proper divisors (1).

234342089 is an equidigital number, since it uses as much as digits as its factorization.

234342089 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 41472, while the sum is 35.

The square root of 234342089 is about 15308.2359858999. The cubic root of 234342089 is about 616.5241583853.

The spelling of 234342089 in words is "two hundred thirty-four million, three hundred forty-two thousand, eighty-nine".