172303423332216 has 64 divisors (see below), whose sum is σ = 470062975420800. Its totient is φ = 52197097680000.

The previous prime is 172303423332167. The next prime is 172303423332221. The reversal of 172303423332216 is 612233324303271.

172303423332216 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×172303423332216² (a number of 29 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 99520771 + ... + 101237298.

It is an arithmetic number, because the mean of its divisors is an integer number (7344733990950).

Almost surely, 2^{172303423332216} is an apocalyptic number.

It is an amenable number.

172303423332216 is an abundant number, since it is smaller than the sum of its proper divisors (297759552088584).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

172303423332216 is a wasteful number, since it uses less digits than its factorization.

172303423332216 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 200761340 (or 200761336 counting only the distinct ones).

The product of its (nonzero) digits is 653184, while the sum is 42.

Adding to 172303423332216 its reverse (612233324303271), we get a palindrome (784536747635487).

The spelling of 172303423332216 in words is "one hundred seventy-two trillion, three hundred three billion, four hundred twenty-three million, three hundred thirty-two thousand, two hundred sixteen".