12023318546 has 4 divisors (see below), whose sum is σ = 18034977822. Its totient is φ = 6011659272.

The previous prime is 12023318543. The next prime is 12023318591. The reversal of 12023318546 is 64581332021.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 12020710321 + 2608225 = 109639^2 + 1615^2 .

It is not an unprimeable number, because it can be changed into a prime (12023318543) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3005829635 + ... + 3005829638.

Almost surely, 2^12023318546 is an apocalyptic number.

12023318546 is a deficient number, since it is larger than the sum of its proper divisors (6011659276).

12023318546 is an equidigital number, since it uses as much as digits as its factorization.

12023318546 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6011659275.

The product of its (nonzero) digits is 34560, while the sum is 35.

The spelling of 12023318546 in words is "twelve billion, twenty-three million, three hundred eighteen thousand, five hundred forty-six".