129414717423 has 24 divisors (see below), whose sum is σ = 197703534080. Its totient is φ = 81348215760.

The previous prime is 129414717407. The next prime is 129414717451. The reversal of 129414717423 is 324717414921.

129414717423 is a `hidden beast` number, since 1 + 2 + 94 + 1 + 471 + 74 + 23 = 666.

It is not a de Polignac number, because 129414717423 - 2⁴ = 129414717407 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (129414717403) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1757311 + ... + 1829472.

Almost surely, 2^129414717423 is an apocalyptic number.

129414717423 is a deficient number, since it is larger than the sum of its proper divisors (68288816657).

129414717423 is a wasteful number, since it uses less digits than its factorization.

129414717423 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3587019 (or 3587016 counting only the distinct ones).

The product of its digits is 338688, while the sum is 45.

The spelling of 129414717423 in words is "one hundred twenty-nine billion, four hundred fourteen million, seven hundred seventeen thousand, four hundred twenty-three".