123013203135246 has 24 divisors (see below), whose sum is σ = 269739794829960. Its totient is φ = 40510372116336.

The previous prime is 123013203135241. The next prime is 123013203135247. The reversal of 123013203135246 is 642531302310321.

123013203135246 is a `hidden beast` number, since 1 + 2 + 30 + 1 + 320 + 31 + 35 + 246 = 666.

It is a self number, because there is not a number n which added to its sum of digits gives 123013203135246.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (123013203135241) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 41169075861 + ... + 41169078848.

It is an arithmetic number, because the mean of its divisors is an integer number (11239158117915).

Almost surely, 2^{123013203135246} is an apocalyptic number.

123013203135246 is an abundant number, since it is smaller than the sum of its proper divisors (146726591694714).

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

123013203135246 is a wasteful number, since it uses less digits than its factorization.

123013203135246 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 82338154800 (or 82338154797 counting only the distinct ones).

The product of its (nonzero) digits is 77760, while the sum is 36.

Adding to 123013203135246 its reverse (642531302310321), we get a palindrome (765544505445567).

The spelling of 123013203135246 in words is "one hundred twenty-three trillion, thirteen billion, two hundred three million, one hundred thirty-five thousand, two hundred forty-six".