423431234342 has 16 divisors (see below), whose sum is σ = 648044105472. Its totient is φ = 207453120840.

The previous prime is 423431234333. The next prime is 423431234381. The reversal of 423431234342 is 243432134324.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9123818 + ... + 9170109.

It is an arithmetic number, because the mean of its divisors is an integer number (40502756592).

Almost surely, 2^423431234342 is an apocalyptic number.

423431234342 is a deficient number, since it is larger than the sum of its proper divisors (224612871130).

423431234342 is a wasteful number, since it uses less digits than its factorization.

423431234342 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18294163.

The product of its digits is 165888, while the sum is 35.

Adding to 423431234342 its reverse (243432134324), we get a palindrome (666863368666).

The spelling of 423431234342 in words is "four hundred twenty-three billion, four hundred thirty-one million, two hundred thirty-four thousand, three hundred forty-two".