423344342342 has 16 divisors (see below), whose sum is σ = 669186587232. Its totient is φ = 200464387200.

The previous prime is 423344342299. The next prime is 423344342387. The reversal of 423344342342 is 243243443324.

It is a junction number, because it is equal to n+sod(n) for n = 423344342296 and 423344342305.

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, 45555443 + ... + 45564734.

It is an arithmetic number, because the mean of its divisors is an integer number (41824161702).

Almost surely, 2^423344342342 is an apocalyptic number.

423344342342 is a deficient number, since it is larger than the sum of its proper divisors (245842244890).

423344342342 is a wasteful number, since it uses less digits than its factorization.

423344342342 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 91120303.

The product of its digits is 663552, while the sum is 38.

Adding to 423344342342 its reverse (243243443324), we get a palindrome (666587785666).

The spelling of 423344342342 in words is "four hundred twenty-three billion, three hundred forty-four million, three hundred forty-two thousand, three hundred forty-two".