2175120623 has 8 divisors (see below), whose sum is σ = 2342812416. Its totient is φ = 2007482400.

The previous prime is 2175120601. The next prime is 2175120631. The reversal of 2175120623 is 3260215712.

It is a happy number.

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 2175120623 - 2¹⁰ = 2175119599 is a prime.

It is a super-2 number, since 2×2175120623² = 9462299449199816258, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2175120223) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 120818 + ... + 137648.

It is an arithmetic number, because the mean of its divisors is an integer number (292851552).

Almost surely, 2^2175120623 is an apocalyptic number.

2175120623 is a deficient number, since it is larger than the sum of its proper divisors (167691793).

2175120623 is a wasteful number, since it uses less digits than its factorization.

2175120623 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26785.

The product of its (nonzero) digits is 5040, while the sum is 29.

The square root of 2175120623 is about 46638.1884618174. The cubic root of 2175120623 is about 1295.6701357098.

The spelling of 2175120623 in words is "two billion, one hundred seventy-five million, one hundred twenty thousand, six hundred twenty-three".