12423554419 has 2 divisors, whose sum is σ = 12423554420. Its totient is φ = 12423554418.

The previous prime is 12423554387. The next prime is 12423554459. The reversal of 12423554419 is 91445532421.

It is an a-pointer prime, because the next prime (12423554459) can be obtained adding 12423554419 to its sum of digits (40).

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 12423554419 - 2⁵ = 12423554387 is a prime.

It is a super-2 number, since 2×12423554419² (a number of 21 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (12423554459) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6211777209 + 6211777210.

It is an arithmetic number, because the mean of its divisors is an integer number (6211777210).

Almost surely, 2^12423554419 is an apocalyptic number.

12423554419 is a deficient number, since it is larger than the sum of its proper divisors (1).

12423554419 is an equidigital number, since it uses as much as digits as its factorization.

12423554419 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 172800, while the sum is 40.

The spelling of 12423554419 in words is "twelve billion, four hundred twenty-three million, five hundred fifty-four thousand, four hundred nineteen".