12185541923 has 8 divisors (see below), whose sum is σ = 12289339392. Its totient is φ = 12081867336.

The previous prime is 12185541913. The next prime is 12185541937. The reversal of 12185541923 is 32914558121.

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

It is a cyclic number.

It is not a de Polignac number, because 12185541923 - 2¹² = 12185537827 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12185541913) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 174236 + ... + 233942.

It is an arithmetic number, because the mean of its divisors is an integer number (1536167424).

Almost surely, 2^12185541923 is an apocalyptic number.

12185541923 is a deficient number, since it is larger than the sum of its proper divisors (103797469).

12185541923 is a wasteful number, since it uses less digits than its factorization.

12185541923 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 61441.

The product of its digits is 86400, while the sum is 41.

The spelling of 12185541923 in words is "twelve billion, one hundred eighty-five million, five hundred forty-one thousand, nine hundred twenty-three".