234143423 has 4 divisors (see below), whose sum is σ = 235987200. Its totient is φ = 232299648.

The previous prime is 234143407. The next prime is 234143449. The reversal of 234143423 is 324341432.

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 234143423 - 2⁴ = 234143407 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 234143392 and 234143401.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (234142423) 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, 921698 + ... + 921951.

It is an arithmetic number, because the mean of its divisors is an integer number (58996800).

Almost surely, 2^234143423 is an apocalyptic number.

234143423 is a deficient number, since it is larger than the sum of its proper divisors (1843777).

234143423 is a wasteful number, since it uses less digits than its factorization.

234143423 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1843776.

The product of its digits is 6912, while the sum is 26.

The square root of 234143423 is about 15301.7457500770. The cubic root of 234143423 is about 616.3498874904.

Adding to 234143423 its reverse (324341432), we get a palindrome (558484855).

The spelling of 234143423 in words is "two hundred thirty-four million, one hundred forty-three thousand, four hundred twenty-three".