242420244423 has 16 divisors (see below), whose sum is σ = 376941100800. Its totient is φ = 138525853368.

The previous prime is 242420244377. The next prime is 242420244439. The reversal of 242420244423 is 324442024242.

It is a happy number.

It is not a de Polignac number, because 242420244423 - 2¹⁶ = 242420178887 is a prime.

It is a super-2 number, since 2×242420244423² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (242420245423) 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, 117793065 + ... + 117795122.

It is an arithmetic number, because the mean of its divisors is an integer number (23558818800).

Almost surely, 2^242420244423 is an apocalyptic number.

242420244423 is a deficient number, since it is larger than the sum of its proper divisors (134520856377).

242420244423 is an equidigital number, since it uses as much as digits as its factorization.

242420244423 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 235588211 (or 235588197 counting only the distinct ones).

The product of its (nonzero) digits is 98304, while the sum is 33.

Adding to 242420244423 its reverse (324442024242), we get a palindrome (566862268665).

The spelling of 242420244423 in words is "two hundred forty-two billion, four hundred twenty million, two hundred forty-four thousand, four hundred twenty-three".