129022932723 has 4 divisors (see below), whose sum is σ = 172030576968. Its totient is φ = 86015288480.

The previous prime is 129022932691. The next prime is 129022932737. The reversal of 129022932723 is 327239220921.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 327239220921 = 3 ⋅109079740307.

It is a cyclic number.

It is not a de Polignac number, because 129022932723 - 2⁵ = 129022932691 is a prime.

It is not an unprimeable number, because it can be changed into a prime (129022932523) 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, 21503822118 + ... + 21503822123.

It is an arithmetic number, because the mean of its divisors is an integer number (43007644242).

Almost surely, 2^129022932723 is an apocalyptic number.

129022932723 is a deficient number, since it is larger than the sum of its proper divisors (43007644245).

129022932723 is an equidigital number, since it uses as much as digits as its factorization.

129022932723 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 43007644244.

The product of its (nonzero) digits is 163296, while the sum is 42.

The spelling of 129022932723 in words is "one hundred twenty-nine billion, twenty-two million, nine hundred thirty-two thousand, seven hundred twenty-three".