234213442 has 4 divisors (see below), whose sum is σ = 351320166. Its totient is φ = 117106720.

The previous prime is 234213431. The next prime is 234213449. The reversal of 234213442 is 244312432.

It is a happy number.

234213442 is digitally balanced in base 2, 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 can be written as a sum of positive squares in only one way, i.e., 216648961 + 17564481 = 14719^2 + 4191^2 .

It is not an unprimeable number, because it can be changed into a prime (234213449) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 58553359 + ... + 58553362.

Almost surely, 2^234213442 is an apocalyptic number.

234213442 is a deficient number, since it is larger than the sum of its proper divisors (117106724).

234213442 is a wasteful number, since it uses less digits than its factorization.

234213442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 117106723.

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

The square root of 234213442 is about 15304.0335206115. The cubic root of 234213442 is about 616.4113197827.

Adding to 234213442 its reverse (244312432), we get a palindrome (478525874).

The spelling of 234213442 in words is "two hundred thirty-four million, two hundred thirteen thousand, four hundred forty-two".