12434954423 has 2 divisors, whose sum is σ = 12434954424. Its totient is φ = 12434954422.

The previous prime is 12434954387. The next prime is 12434954431. The reversal of 12434954423 is 32445943421.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-12434954423 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12434954443) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6217477211 + 6217477212.

It is an arithmetic number, because the mean of its divisors is an integer number (6217477212).

Almost surely, 2^12434954423 is an apocalyptic number.

12434954423 is a deficient number, since it is larger than the sum of its proper divisors (1).

12434954423 is an equidigital number, since it uses as much as digits as its factorization.

12434954423 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 414720, while the sum is 41.

The spelling of 12434954423 in words is "twelve billion, four hundred thirty-four million, nine hundred fifty-four thousand, four hundred twenty-three".