423345244105340 has 24 divisors (see below), whose sum is σ = 903599193158592. Its totient is φ = 166562063254080.

The previous prime is 423345244105307. The next prime is 423345244105393. The reversal of 423345244105340 is 43501442543324.

It is a junction number, because it is equal to n+sod(n) for n = 423345244105291 and 423345244105300.

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, 173502148004 + ... + 173502150443.

It is an arithmetic number, because the mean of its divisors is an integer number (37649966381608).

Almost surely, 2^{423345244105340} is an apocalyptic number.

It is an amenable number.

423345244105340 is an abundant number, since it is smaller than the sum of its proper divisors (480253949053252).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

423345244105340 is a wasteful number, since it uses less digits than its factorization.

423345244105340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 347004298517 (or 347004298515 counting only the distinct ones).

The product of its (nonzero) digits is 2764800, while the sum is 44.

Adding to 423345244105340 its reverse (43501442543324), we get a palindrome (466846686648664).

The spelling of 423345244105340 in words is "four hundred twenty-three trillion, three hundred forty-five billion, two hundred forty-four million, one hundred five thousand, three hundred forty".