234143967 has 4 divisors (see below), whose sum is σ = 312191960. Its totient is φ = 156095976.

The previous prime is 234143963. The next prime is 234143969. The reversal of 234143967 is 769341432.

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

It is not a de Polignac number, because 234143967 - 2² = 234143963 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 (234143963) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 39023992 + ... + 39023997.

It is an arithmetic number, because the mean of its divisors is an integer number (78047990).

Almost surely, 2^234143967 is an apocalyptic number.

234143967 is a deficient number, since it is larger than the sum of its proper divisors (78047993).

234143967 is an equidigital number, since it uses as much as digits as its factorization.

234143967 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 78047992.

The product of its digits is 108864, while the sum is 39.

The square root of 234143967 is about 15301.7635258162. The cubic root of 234143967 is about 616.3503648247.

The spelling of 234143967 in words is "two hundred thirty-four million, one hundred forty-three thousand, nine hundred sixty-seven".