12023420334 has 32 divisors (see below), whose sum is σ = 24211249920. Its totient is φ = 3980461632.

The previous prime is 12023420303. The next prime is 12023420341. The reversal of 12023420334 is 43302432021.

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 15 ways as a sum of consecutive naturals, for example, 913887 + ... + 926949.

It is an arithmetic number, because the mean of its divisors is an integer number (756601560).

Almost surely, 2^12023420334 is an apocalyptic number.

12023420334 is an abundant number, since it is smaller than the sum of its proper divisors (12187829586).

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

12023420334 is a wasteful number, since it uses less digits than its factorization.

12023420334 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14104.

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

Adding to 12023420334 its reverse (43302432021), we get a palindrome (55325852355).

The spelling of 12023420334 in words is "twelve billion, twenty-three million, four hundred twenty thousand, three hundred thirty-four".