30223665173 has 16 divisors (see below), whose sum is σ = 32799102336. Its totient is φ = 27684417600.

The previous prime is 30223665167. The next prime is 30223665209. The reversal of 30223665173 is 37156632203.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-30223665173 is a prime.

It is a super-2 number, since 2×30223665173² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30223665113) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1949390 + ... + 1964832.

It is an arithmetic number, because the mean of its divisors is an integer number (2049943896).

Almost surely, 2^30223665173 is an apocalyptic number.

It is an amenable number.

30223665173 is a deficient number, since it is larger than the sum of its proper divisors (2575437163).

30223665173 is a wasteful number, since it uses less digits than its factorization.

30223665173 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16604.

The product of its (nonzero) digits is 136080, while the sum is 38.

The spelling of 30223665173 in words is "thirty billion, two hundred twenty-three million, six hundred sixty-five thousand, one hundred seventy-three".