123212234100123 has 96 divisors (see below), whose sum is σ = 205851568665600. Its totient is φ = 69564280135680.

The previous prime is 123212234100103. The next prime is 123212234100173. The reversal of 123212234100123 is 321001432212321.

123212234100123 is a `hidden beast` number, since 1 + 2 + 3 + 2 + 1 + 223 + 410 + 0 + 1 + 23 = 666.

It is not a de Polignac number, because 123212234100123 - 2²¹ = 123212232002971 is a prime.

It is not an unprimeable number, because it can be changed into a prime (123212234100103) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 1066502440 + ... + 1066617962.

It is an arithmetic number, because the mean of its divisors is an integer number (2144287173600).

Almost surely, 2^{123212234100123} is an apocalyptic number.

123212234100123 is a deficient number, since it is larger than the sum of its proper divisors (82639334565477).

123212234100123 is a wasteful number, since it uses less digits than its factorization.

123212234100123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 116329 (or 116326 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 27.

Adding to 123212234100123 its reverse (321001432212321), we get a palindrome (444213666312444).

The spelling of 123212234100123 in words is "one hundred twenty-three trillion, two hundred twelve billion, two hundred thirty-four million, one hundred thousand, one hundred twenty-three".