130723728801 has 4 divisors (see below), whose sum is σ = 174298305072. Its totient is φ = 87149152532.

The previous prime is 130723728799. The next prime is 130723728827. The reversal of 130723728801 is 108827327031.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 130723728801 - 2¹ = 130723728799 is a prime.

It is not an unprimeable number, because it can be changed into a prime (130723728001) 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, 21787288131 + ... + 21787288136.

It is an arithmetic number, because the mean of its divisors is an integer number (43574576268).

Almost surely, 2^130723728801 is an apocalyptic number.

It is an amenable number.

130723728801 is a deficient number, since it is larger than the sum of its proper divisors (43574576271).

130723728801 is an equidigital number, since it uses as much as digits as its factorization.

130723728801 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 43574576270.

The product of its (nonzero) digits is 112896, while the sum is 42.

The spelling of 130723728801 in words is "one hundred thirty billion, seven hundred twenty-three million, seven hundred twenty-eight thousand, eight hundred one".