242004440423 has 6 divisors (see below), whose sum is σ = 257077381656. Its totient is φ = 227768884832.

The previous prime is 242004440417. The next prime is 242004440441. The reversal of 242004440423 is 324044400242.

It is not a de Polignac number, because 242004440423 - 2¹⁰ = 242004439399 is a prime.

It is a super-3 number, since 3×242004440423³ (a number of 35 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (242004440453) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 418692515 + ... + 418693092.

It is an arithmetic number, because the mean of its divisors is an integer number (42846230276).

Almost surely, 2^242004440423 is an apocalyptic number.

242004440423 is a deficient number, since it is larger than the sum of its proper divisors (15072941233).

242004440423 is an equidigital number, since it uses as much as digits as its factorization.

242004440423 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 837385641 (or 837385624 counting only the distinct ones).

The product of its (nonzero) digits is 24576, while the sum is 29.

Adding to 242004440423 its reverse (324044400242), we get a palindrome (566048840665).

The spelling of 242004440423 in words is "two hundred forty-two billion, four million, four hundred forty thousand, four hundred twenty-three".