234423142 has 4 divisors (see below), whose sum is σ = 351634716. Its totient is φ = 117211570.

The previous prime is 234423109. The next prime is 234423181. The reversal of 234423142 is 241324432.

It is a happy number.

234423142 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 58605784 + ... + 58605787.

It is an arithmetic number, because the mean of its divisors is an integer number (87908679).

Almost surely, 2^234423142 is an apocalyptic number.

234423142 is a deficient number, since it is larger than the sum of its proper divisors (117211574).

234423142 is a wasteful number, since it uses less digits than its factorization.

234423142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 117211573.

The product of its digits is 4608, while the sum is 25.

The square root of 234423142 is about 15310.8831227986. The cubic root of 234423142 is about 616.5952302283.

Adding to 234423142 its reverse (241324432), we get a palindrome (475747574).

The spelling of 234423142 in words is "two hundred thirty-four million, four hundred twenty-three thousand, one hundred forty-two".