242321434 has 16 divisors (see below), whose sum is σ = 385376616. Its totient is φ = 113881600.

The previous prime is 242321413. The next prime is 242321449. The reversal of 242321434 is 434123242.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 233998209 + 8323225 = 15297^2 + 2885^2 .

It is a junction number, because it is equal to n+sod(n) for n = 242321399 and 242321408.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 23574 + ... + 32254.

Almost surely, 2^242321434 is an apocalyptic number.

242321434 is a deficient number, since it is larger than the sum of its proper divisors (143055182).

242321434 is a wasteful number, since it uses less digits than its factorization.

242321434 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9521.

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

The square root of 242321434 is about 15566.6770378267. The cubic root of 242321434 is about 623.4437518430.

Adding to 242321434 its reverse (434123242), we get a palindrome (676444676).

The spelling of 242321434 in words is "two hundred forty-two million, three hundred twenty-one thousand, four hundred thirty-four".