12423404407 has 2 divisors, whose sum is σ = 12423404408. Its totient is φ = 12423404406.

The previous prime is 12423404369. The next prime is 12423404507. The reversal of 12423404407 is 70440432421.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-12423404407 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12423404507) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6211702203 + 6211702204.

It is an arithmetic number, because the mean of its divisors is an integer number (6211702204).

Almost surely, 2^12423404407 is an apocalyptic number.

12423404407 is a deficient number, since it is larger than the sum of its proper divisors (1).

12423404407 is an equidigital number, since it uses as much as digits as its factorization.

12423404407 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 21504, while the sum is 31.

Adding to 12423404407 its reverse (70440432421), we get a palindrome (82863836828).

The spelling of 12423404407 in words is "twelve billion, four hundred twenty-three million, four hundred four thousand, four hundred seven".