275868172223 has 4 divisors (see below), whose sum is σ = 315277911120. Its totient is φ = 236458433328.

The previous prime is 275868172171. The next prime is 275868172259. The reversal of 275868172223 is 322271868572.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 275868172223 - 2⁸ = 275868171967 is a prime.

It is a super-2 number, since 2×275868172223² (a number of 24 digits) 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 (275868172273) 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, 19704869438 + ... + 19704869451.

It is an arithmetic number, because the mean of its divisors is an integer number (78819477780).

Almost surely, 2^275868172223 is an apocalyptic number.

275868172223 is a deficient number, since it is larger than the sum of its proper divisors (39409738897).

275868172223 is an equidigital number, since it uses as much as digits as its factorization.

275868172223 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39409738896.

The product of its digits is 4515840, while the sum is 53.

The spelling of 275868172223 in words is "two hundred seventy-five billion, eight hundred sixty-eight million, one hundred seventy-two thousand, two hundred twenty-three".