172423331377147 has 8 divisors (see below), whose sum is σ = 172446875903952. Its totient is φ = 172399788372000.

The previous prime is 172423331377097. The next prime is 172423331377153. The reversal of 172423331377147 is 741773133324271.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 172423331377147 - 2³⁹ = 171873575563259 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (172423331377747) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 236204272 + ... + 236933122.

It is an arithmetic number, because the mean of its divisors is an integer number (21555859487994).

Almost surely, 2^{172423331377147} is an apocalyptic number.

172423331377147 is a deficient number, since it is larger than the sum of its proper divisors (23544526805).

172423331377147 is a wasteful number, since it uses less digits than its factorization.

172423331377147 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 760829.

The product of its digits is 12446784, while the sum is 55.

The spelling of 172423331377147 in words is "one hundred seventy-two trillion, four hundred twenty-three billion, three hundred thirty-one million, three hundred seventy-seven thousand, one hundred forty-seven".