234463909 has 6 divisors (see below), whose sum is σ = 245101766. Its totient is φ = 224269320.

The previous prime is 234463903. The next prime is 234463963. The reversal of 234463909 is 909364432.

It can be written as a sum of positive squares in only one way, i.e., 124947684 + 109516225 = 11178^2 + 10465^2 .

It is a de Polignac number, because none of the positive numbers 2^k-234463909 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (234463903) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 221082 + ... + 222139.

Almost surely, 2^234463909 is an apocalyptic number.

It is an amenable number.

234463909 is a deficient number, since it is larger than the sum of its proper divisors (10637857).

234463909 is an equidigital number, since it uses as much as digits as its factorization.

234463909 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 443267 (or 443244 counting only the distinct ones).

The product of its (nonzero) digits is 139968, while the sum is 40.

The square root of 234463909 is about 15312.2143728463. The cubic root of 234463909 is about 616.6309708418.

The spelling of 234463909 in words is "two hundred thirty-four million, four hundred sixty-three thousand, nine hundred nine".