242323143442 has 4 divisors (see below), whose sum is σ = 363484715166. Its totient is φ = 121161571720.

The previous prime is 242323143437. The next prime is 242323143443. The reversal of 242323143442 is 244341323242.

242323143442 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 244341323242 = 2 ⋅122170661621.

It can be written as a sum of positive squares in only one way, i.e., 223652380561 + 18670762881 = 472919^2 + 136641^2 .

It is a super-2 number, since 2×242323143442² (a number of 24 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 242323143398 and 242323143407.

It is not an unprimeable number, because it can be changed into a prime (242323143443) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60580785859 + ... + 60580785862.

Almost surely, 2^242323143442 is an apocalyptic number.

242323143442 is a deficient number, since it is larger than the sum of its proper divisors (121161571724).

242323143442 is a wasteful number, since it uses less digits than its factorization.

242323143442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 121161571723.

The product of its digits is 110592, while the sum is 34.

Adding to 242323143442 its reverse (244341323242), we get a palindrome (486664466684).

The spelling of 242323143442 in words is "two hundred forty-two billion, three hundred twenty-three million, one hundred forty-three thousand, four hundred forty-two".