242021343 has 8 divisors (see below), whose sum is σ = 327985456. Its totient is φ = 158702400.

The previous prime is 242021293. The next prime is 242021357. The reversal of 242021343 is 343120242.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 242021343 - 2¹⁶ = 241955807 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (242022343) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 661078 + ... + 661443.

It is an arithmetic number, because the mean of its divisors is an integer number (40998182).

Almost surely, 2^242021343 is an apocalyptic number.

242021343 is a deficient number, since it is larger than the sum of its proper divisors (85964113).

242021343 is a wasteful number, since it uses less digits than its factorization.

242021343 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1322585.

The product of its (nonzero) digits is 1152, while the sum is 21.

The square root of 242021343 is about 15557.0351609810. The cubic root of 242021343 is about 623.1862878350.

Adding to 242021343 its reverse (343120242), we get a palindrome (585141585).

The spelling of 242021343 in words is "two hundred forty-two million, twenty-one thousand, three hundred forty-three".