434203234042 has 4 divisors (see below), whose sum is σ = 651304851066. Its totient is φ = 217101617020.

The previous prime is 434203234039. The next prime is 434203234043. The reversal of 434203234042 is 240432302434.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 240432302434 = 2 ⋅120216151217.

It can be written as a sum of positive squares in only one way, i.e., 356768484601 + 77434749441 = 597301^2 + 278271^2 .

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a junction number, because it is equal to n+sod(n) for n = 434203233995 and 434203234013.

It is not an unprimeable number, because it can be changed into a prime (434203234043) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 108550808509 + ... + 108550808512.

Almost surely, 2^434203234042 is an apocalyptic number.

434203234042 is a deficient number, since it is larger than the sum of its proper divisors (217101617024).

434203234042 is a wasteful number, since it uses less digits than its factorization.

434203234042 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 217101617023.

The product of its (nonzero) digits is 55296, while the sum is 31.

Adding to 434203234042 its reverse (240432302434), we get a palindrome (674635536476).

The spelling of 434203234042 in words is "four hundred thirty-four billion, two hundred three million, two hundred thirty-four thousand, forty-two".