123204602111055 has 8 divisors (see below), whose sum is σ = 197127363377712. Its totient is φ = 65709121125888.

The previous prime is 123204602111029. The next prime is 123204602111057. The reversal of 123204602111055 is 550111206402321.

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

It is not a de Polignac number, because 123204602111055 - 2⁵ = 123204602111023 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (123204602111057) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4106820070354 + ... + 4106820070383.

It is an arithmetic number, because the mean of its divisors is an integer number (24640920422214).

Almost surely, 2^{123204602111055} is an apocalyptic number.

123204602111055 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

123204602111055 is a deficient number, since it is larger than the sum of its proper divisors (73922761266657).

123204602111055 is an equidigital number, since it uses as much as digits as its factorization.

123204602111055 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8213640140745.

The product of its (nonzero) digits is 14400, while the sum is 33.

Adding to 123204602111055 its reverse (550111206402321), we get a palindrome (673315808513376).

The spelling of 123204602111055 in words is "one hundred twenty-three trillion, two hundred four billion, six hundred two million, one hundred eleven thousand, fifty-five".