242123432 has 16 divisors (see below), whose sum is σ = 459083700. Its totient is φ = 119701120.

The previous prime is 242123417. The next prime is 242123437. The reversal of 242123432 is 234321242.

It can be written as a sum of positive squares in 2 ways, for example, as 237344836 + 4778596 = 15406^2 + 2186^2 .

It is a super-3 number, since 3×242123432³ (a number of 26 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 242123398 and 242123407.

It is not an unprimeable number, because it can be changed into a prime (242123437) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 169319 + ... + 170742.

Almost surely, 2^242123432 is an apocalyptic number.

It is an amenable number.

242123432 is a deficient number, since it is larger than the sum of its proper divisors (216960268).

242123432 is a wasteful number, since it uses less digits than its factorization.

242123432 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 340156 (or 340152 counting only the distinct ones).

The product of its digits is 2304, while the sum is 23.

The square root of 242123432 is about 15560.3159350959. The cubic root of 242123432 is about 623.2738992840.

Adding to 242123432 its reverse (234321242), we get a palindrome (476444674).

The spelling of 242123432 in words is "two hundred forty-two million, one hundred twenty-three thousand, four hundred thirty-two".