242342321 has 16 divisors (see below), whose sum is σ = 278053440. Its totient is φ = 209355840.

The previous prime is 242342311. The next prime is 242342339. The reversal of 242342321 is 123243242.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-242342321 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (242342311) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 14591 + ... + 26411.

It is an arithmetic number, because the mean of its divisors is an integer number (17378340).

Almost surely, 2^242342321 is an apocalyptic number.

It is an amenable number.

242342321 is a deficient number, since it is larger than the sum of its proper divisors (35711119).

242342321 is a wasteful number, since it uses less digits than its factorization.

242342321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11936.

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

The square root of 242342321 is about 15567.3479115744. The cubic root of 242342321 is about 623.4616639956.

Adding to 242342321 its reverse (123243242), we get a palindrome (365585563).

It can be divided in two parts, 2423 and 42321, that added together give a palindrome (44744).

The spelling of 242342321 in words is "two hundred forty-two million, three hundred forty-two thousand, three hundred twenty-one".