425430423134 has 4 divisors (see below), whose sum is σ = 638145634704. Its totient is φ = 212715211566.

The previous prime is 425430423133. The next prime is 425430423149. The reversal of 425430423134 is 431324034524.

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

It is a junction number, because it is equal to n+sod(n) for n = 425430423094 and 425430423103.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (425430423133) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 106357605782 + ... + 106357605785.

It is an arithmetic number, because the mean of its divisors is an integer number (159536408676).

Almost surely, 2^425430423134 is an apocalyptic number.

425430423134 is a deficient number, since it is larger than the sum of its proper divisors (212715211570).

425430423134 is a wasteful number, since it uses less digits than its factorization.

425430423134 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 212715211569.

The product of its (nonzero) digits is 138240, while the sum is 35.

Adding to 425430423134 its reverse (431324034524), we get a palindrome (856754457658).

The spelling of 425430423134 in words is "four hundred twenty-five billion, four hundred thirty million, four hundred twenty-three thousand, one hundred thirty-four".