172700238343 has 4 divisors (see below), whose sum is σ = 172728458848. Its totient is φ = 172672017840.

The previous prime is 172700238331. The next prime is 172700238377. The reversal of 172700238343 is 343832007271.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 343832007271 = 347509 ⋅989419.

It is a cyclic number.

It is not a de Polignac number, because 172700238343 - 2²¹ = 172698141191 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 172700238296 and 172700238305.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (172700238323) 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, 14101071 + ... + 14113312.

It is an arithmetic number, because the mean of its divisors is an integer number (43182114712).

Almost surely, 2^172700238343 is an apocalyptic number.

172700238343 is a deficient number, since it is larger than the sum of its proper divisors (28220505).

172700238343 is an equidigital number, since it uses as much as digits as its factorization.

172700238343 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28220504.

The product of its (nonzero) digits is 169344, while the sum is 40.

The spelling of 172700238343 in words is "one hundred seventy-two billion, seven hundred million, two hundred thirty-eight thousand, three hundred forty-three".