242123030 has 32 divisors (see below), whose sum is σ = 458274240. Its totient is φ = 91969920.

The previous prime is 242123029. The next prime is 242123039. The reversal of 242123030 is 30321242.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (242123039) 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 15 ways as a sum of consecutive naturals, for example, 10847 + ... + 24533.

It is an arithmetic number, because the mean of its divisors is an integer number (14321070).

Almost surely, 2^242123030 is an apocalyptic number.

242123030 is a deficient number, since it is larger than the sum of its proper divisors (216151210).

242123030 is a wasteful number, since it uses less digits than its factorization.

242123030 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13784.

The product of its (nonzero) digits is 288, while the sum is 17.

The square root of 242123030 is about 15560.3030176150. The cubic root of 242123030 is about 623.2735543411.

Adding to 242123030 its reverse (30321242), we get a palindrome (272444272).

The spelling of 242123030 in words is "two hundred forty-two million, one hundred twenty-three thousand, thirty".