4223123210438 has 16 divisors (see below), whose sum is σ = 6923338961040. Its totient is φ = 1916053207200.

The previous prime is 4223123210353. The next prime is 4223123210489. The reversal of 4223123210438 is 8340123213224.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 4223123210398 and 4223123210407.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 177400433 + ... + 177424236.

It is an arithmetic number, because the mean of its divisors is an integer number (432708685065).

Almost surely, 2^{4223123210438} is an apocalyptic number.

4223123210438 is a deficient number, since it is larger than the sum of its proper divisors (2700215750602).

4223123210438 is a wasteful number, since it uses less digits than its factorization.

4223123210438 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 354825223.

The product of its (nonzero) digits is 55296, while the sum is 35.

The spelling of 4223123210438 in words is "four trillion, two hundred twenty-three billion, one hundred twenty-three million, two hundred ten thousand, four hundred thirty-eight".