12183785923 has 2 divisors, whose sum is σ = 12183785924. Its totient is φ = 12183785922.

The previous prime is 12183785857. The next prime is 12183785927. The reversal of 12183785923 is 32958738121.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-12183785923 is a prime.

It is not a weakly prime, because it can be changed into another prime (12183785927) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6091892961 + 6091892962.

It is an arithmetic number, because the mean of its divisors is an integer number (6091892962).

Almost surely, 2^12183785923 is an apocalyptic number.

12183785923 is a deficient number, since it is larger than the sum of its proper divisors (1).

12183785923 is an equidigital number, since it uses as much as digits as its factorization.

12183785923 is an evil number, because the sum of its binary digits is even.

The product of its digits is 725760, while the sum is 49.

The spelling of 12183785923 in words is "twelve billion, one hundred eighty-three million, seven hundred eighty-five thousand, nine hundred twenty-three".