12287040923 has 2 divisors, whose sum is σ = 12287040924. Its totient is φ = 12287040922.

The previous prime is 12287040893. The next prime is 12287041009. The reversal of 12287040923 is 32904078221.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-12287040923 is a prime.

It is not a weakly prime, because it can be changed into another prime (12287040223) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6143520461 + 6143520462.

It is an arithmetic number, because the mean of its divisors is an integer number (6143520462).

Almost surely, 2^12287040923 is an apocalyptic number.

12287040923 is a deficient number, since it is larger than the sum of its proper divisors (1).

12287040923 is an equidigital number, since it uses as much as digits as its factorization.

12287040923 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 48384, while the sum is 38.

The spelling of 12287040923 in words is "twelve billion, two hundred eighty-seven million, forty thousand, nine hundred twenty-three".