2023434420442 has 4 divisors (see below), whose sum is σ = 3035151630666. Its totient is φ = 1011717210220.

The previous prime is 2023434420407. The next prime is 2023434420443. The reversal of 2023434420442 is 2440244343202.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 1742323440841 + 281110979601 = 1319971^2 + 530199^2 .

It is a junction number, because it is equal to n+sod(n) for n = 2023434420398 and 2023434420407.

It is not an unprimeable number, because it can be changed into a prime (2023434420443) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 505858605109 + ... + 505858605112.

Almost surely, 2^{2023434420442} is an apocalyptic number.

2023434420442 is a deficient number, since it is larger than the sum of its proper divisors (1011717210224).

2023434420442 is a wasteful number, since it uses less digits than its factorization.

2023434420442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1011717210223.

The product of its (nonzero) digits is 147456, while the sum is 34.

Adding to 2023434420442 its reverse (2440244343202), we get a palindrome (4463678763644).

The spelling of 2023434420442 in words is "two trillion, twenty-three billion, four hundred thirty-four million, four hundred twenty thousand, four hundred forty-two".