12225542623 has 4 divisors (see below), whose sum is σ = 13972048720. Its totient is φ = 10479036528.

The previous prime is 12225542617. The next prime is 12225542669. The reversal of 12225542623 is 32624552221.

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

It is a cyclic number.

It is not a de Polignac number, because 12225542623 - 2²⁹ = 11688671711 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12225542023) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 873253038 + ... + 873253051.

It is an arithmetic number, because the mean of its divisors is an integer number (3493012180).

Almost surely, 2^12225542623 is an apocalyptic number.

12225542623 is a deficient number, since it is larger than the sum of its proper divisors (1746506097).

12225542623 is an equidigital number, since it uses as much as digits as its factorization.

12225542623 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1746506096.

The product of its digits is 57600, while the sum is 34.

The spelling of 12225542623 in words is "twelve billion, two hundred twenty-five million, five hundred forty-two thousand, six hundred twenty-three".