123331241123055 has 192 divisors, whose sum is σ = 262673818767360. Its totient is φ = 52270185157632.

The previous prime is 123331241123053. The next prime is 123331241123059. The reversal of 123331241123055 is 550321142133321.

123331241123055 is a `hidden beast` number, since 1 + 2 + 3 + 3 + 3 + 1 + 2 + 411 + 230 + 5 + 5 = 666.

It is not a de Polignac number, because 123331241123055 - 2¹ = 123331241123053 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (123331241123053) by changing a digit.

It is a polite number, since it can be written in 191 ways as a sum of consecutive naturals, for example, 3149640537 + ... + 3149679693.

It is an arithmetic number, because the mean of its divisors is an integer number (1368092806080).

Almost surely, 2^{123331241123055} is an apocalyptic number.

123331241123055 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

123331241123055 is an abundant number, since it is smaller than the sum of its proper divisors (139342577644305).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

123331241123055 is a wasteful number, since it uses less digits than its factorization.

123331241123055 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 50438 (or 50435 counting only the distinct ones).

The product of its (nonzero) digits is 64800, while the sum is 36.

Adding to 123331241123055 its reverse (550321142133321), we get a palindrome (673652383256376).

The spelling of 123331241123055 in words is "one hundred twenty-three trillion, three hundred thirty-one billion, two hundred forty-one million, one hundred twenty-three thousand, fifty-five".