2143223234 has 8 divisors (see below), whose sum is σ = 3230990400. Its totient is φ = 1066226436.

The previous prime is 2143223233. The next prime is 2143223263. The reversal of 2143223234 is 4323223412.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (2143223231) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2692094 + ... + 2692889.

It is an arithmetic number, because the mean of its divisors is an integer number (403873800).

Almost surely, 2^2143223234 is an apocalyptic number.

2143223234 is a deficient number, since it is larger than the sum of its proper divisors (1087767166).

2143223234 is a wasteful number, since it uses less digits than its factorization.

2143223234 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5385184.

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

The square root of 2143223234 is about 46294.9590560355. The cubic root of 2143223234 is about 1289.3054037617.

Adding to 2143223234 its reverse (4323223412), we get a palindrome (6466446646).

The spelling of 2143223234 in words is "two billion, one hundred forty-three million, two hundred twenty-three thousand, two hundred thirty-four".