12320423034 has 16 divisors (see below), whose sum is σ = 24650566272. Its totient is φ = 4105187648.

The previous prime is 12320423021. The next prime is 12320423053. The reversal of 12320423034 is 43032402321.

It is a junction number, because it is equal to n+sod(n) for n = 12320422995 and 12320423013.

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, 388479 + ... + 418994.

It is an arithmetic number, because the mean of its divisors is an integer number (1540660392).

Almost surely, 2^12320423034 is an apocalyptic number.

12320423034 is an abundant number, since it is smaller than the sum of its proper divisors (12330143238).

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

12320423034 is a wasteful number, since it uses less digits than its factorization.

12320423034 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 810021.

The product of its (nonzero) digits is 3456, while the sum is 24.

Adding to 12320423034 its reverse (43032402321), we get a palindrome (55352825355).

The spelling of 12320423034 in words is "twelve billion, three hundred twenty million, four hundred twenty-three thousand, thirty-four".