12423562161 has 8 divisors (see below), whose sum is σ = 16591599264. Its totient is φ = 8268949920.

The previous prime is 12423562153. The next prime is 12423562189. The reversal of 12423562161 is 16126532421.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 12423562161 - 2³ = 12423562153 is a prime.

It is not an unprimeable number, because it can be changed into a prime (12423562061) 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 in 7 ways as a sum of consecutive naturals, for example, 3354055 + ... + 3357756.

It is an arithmetic number, because the mean of its divisors is an integer number (2073949908).

Almost surely, 2^12423562161 is an apocalyptic number.

It is an amenable number.

12423562161 is a deficient number, since it is larger than the sum of its proper divisors (4168037103).

12423562161 is an equidigital number, since it uses as much as digits as its factorization.

12423562161 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6712431.

The product of its digits is 17280, while the sum is 33.

The spelling of 12423562161 in words is "twelve billion, four hundred twenty-three million, five hundred sixty-two thousand, one hundred sixty-one".