123531027173211 has 8 divisors (see below), whose sum is σ = 188237755692544. Its totient is φ = 70589158384680.

The previous prime is 123531027173167. The next prime is 123531027173237. The reversal of 123531027173211 is 112371720135321.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 123531027173211 - 2⁹ = 123531027172699 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 123531027173211.

It is not an unprimeable number, because it can be changed into a prime (123531027173011) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2941214932675 + ... + 2941214932716.

It is an arithmetic number, because the mean of its divisors is an integer number (23529719461568).

Almost surely, 2^{123531027173211} is an apocalyptic number.

123531027173211 is a deficient number, since it is larger than the sum of its proper divisors (64706728519333).

123531027173211 is an equidigital number, since it uses as much as digits as its factorization.

123531027173211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5882429865401.

The product of its (nonzero) digits is 52920, while the sum is 39.

The spelling of 123531027173211 in words is "one hundred twenty-three trillion, five hundred thirty-one billion, twenty-seven million, one hundred seventy-three thousand, two hundred eleven".