129923703067 has 4 divisors (see below), whose sum is σ = 130099513960. Its totient is φ = 129747892176.

The previous prime is 129923703061. The next prime is 129923703131. The reversal of 129923703067 is 760307329921.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 760307329921 = 19 ⋅40016175259.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-129923703067 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 129923703067.

It is not an unprimeable number, because it can be changed into a prime (129923703061) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 87904338 + ... + 87905815.

It is an arithmetic number, because the mean of its divisors is an integer number (32524878490).

Almost surely, 2^129923703067 is an apocalyptic number.

129923703067 is a deficient number, since it is larger than the sum of its proper divisors (175810893).

129923703067 is an equidigital number, since it uses as much as digits as its factorization.

129923703067 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 175810892.

The product of its (nonzero) digits is 857304, while the sum is 49.

The spelling of 129923703067 in words is "one hundred twenty-nine billion, nine hundred twenty-three million, seven hundred three thousand, sixty-seven".