20423212003234 has 32 divisors (see below), whose sum is σ = 30963710559600. Its totient is φ = 10102146278400.

The previous prime is 20423212003231. The next prime is 20423212003273. The reversal of 20423212003234 is 43230021232402.

It can be written as a sum of positive squares in 8 ways, for example, as 16894130401009 + 3529081602225 = 4110247^2 + 1878585^2 .

It is not an unprimeable number, because it can be changed into a prime (20423212003231) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1409559462 + ... + 1409573950.

Almost surely, 2^{20423212003234} is an apocalyptic number.

20423212003234 is a deficient number, since it is larger than the sum of its proper divisors (10540498556366).

20423212003234 is a wasteful number, since it uses less digits than its factorization.

20423212003234 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19878.

The product of its (nonzero) digits is 13824, while the sum is 28.

Adding to 20423212003234 its reverse (43230021232402), we get a palindrome (63653233235636).

The spelling of 20423212003234 in words is "twenty trillion, four hundred twenty-three billion, two hundred twelve million, three thousand, two hundred thirty-four".