234430409 has 8 divisors (see below), whose sum is σ = 241008768. Its totient is φ = 227864880.

The previous prime is 234430373. The next prime is 234430411. The reversal of 234430409 is 904034432.

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 234430409 - 2²⁰ = 233381833 is a prime.

It is a Duffinian number.

It is a plaindrome in base 15.

It is not an unprimeable number, because it can be changed into a prime (234430499) 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, 42974 + ... + 48120.

It is an arithmetic number, because the mean of its divisors is an integer number (30126096).

Almost surely, 2^234430409 is an apocalyptic number.

It is an amenable number.

234430409 is a deficient number, since it is larger than the sum of its proper divisors (6578359).

234430409 is a wasteful number, since it uses less digits than its factorization.

234430409 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6415.

The product of its (nonzero) digits is 10368, while the sum is 29.

The square root of 234430409 is about 15311.1204358140. The cubic root of 234430409 is about 616.6016015436.

The spelling of 234430409 in words is "two hundred thirty-four million, four hundred thirty thousand, four hundred nine".