123013203142055 has 8 divisors (see below), whose sum is σ = 151216230204144. Its totient is φ = 96010304891200.

The previous prime is 123013203142031. The next prime is 123013203142127. The reversal of 123013203142055 is 550241302310321.

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

It is a de Polignac number, because none of the positive numbers 2^k-123013203142055 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 300032202581 + ... + 300032202990.

It is an arithmetic number, because the mean of its divisors is an integer number (18902028775518).

Almost surely, 2^{123013203142055} is an apocalyptic number.

123013203142055 is a deficient number, since it is larger than the sum of its proper divisors (28203027062089).

123013203142055 is an equidigital number, since it uses as much as digits as its factorization.

123013203142055 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 600064405617.

The product of its (nonzero) digits is 21600, while the sum is 32.

Adding to 123013203142055 its reverse (550241302310321), we get a palindrome (673254505452376).

The spelling of 123013203142055 in words is "one hundred twenty-three trillion, thirteen billion, two hundred three million, one hundred forty-two thousand, fifty-five".