234443663 has 4 divisors (see below), whose sum is σ = 234487440. Its totient is φ = 234399888.

The previous prime is 234443647. The next prime is 234443681. The reversal of 234443663 is 366344432.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 234443663 - 2⁴ = 234443647 is a prime.

It is a super-2 number, since 2×234443663² = 109927662241715138, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (234443683) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12518 + ... + 25011.

It is an arithmetic number, because the mean of its divisors is an integer number (58621860).

Almost surely, 2^234443663 is an apocalyptic number.

234443663 is a deficient number, since it is larger than the sum of its proper divisors (43777).

234443663 is an equidigital number, since it uses as much as digits as its factorization.

234443663 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 43776.

The product of its digits is 124416, while the sum is 35.

The square root of 234443663 is about 15311.5532523647. The cubic root of 234443663 is about 616.6132215998.

The spelling of 234443663 in words is "two hundred thirty-four million, four hundred forty-three thousand, six hundred sixty-three".