123550513104303 has 32 divisors (see below), whose sum is σ = 192672889113600. Its totient is φ = 78031285936128.

The previous prime is 123550513104283. The next prime is 123550513104377. The reversal of 123550513104303 is 303401315055321.

123550513104303 is a `hidden beast` number, since 1 + 2 + 3 + 5 + 5 + 0 + 513 + 104 + 30 + 3 = 666.

It is not a de Polignac number, because 123550513104303 - 2¹³ = 123550513096111 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (123550513100303) 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 31 ways as a sum of consecutive naturals, for example, 68982826 + ... + 70751192.

It is an arithmetic number, because the mean of its divisors is an integer number (6021027784800).

Almost surely, 2^{123550513104303} is an apocalyptic number.

123550513104303 is a deficient number, since it is larger than the sum of its proper divisors (69122376009297).

123550513104303 is a wasteful number, since it uses less digits than its factorization.

123550513104303 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1904588 (or 1904582 counting only the distinct ones).

The product of its (nonzero) digits is 81000, while the sum is 36.

Adding to 123550513104303 its reverse (303401315055321), we get a palindrome (426951828159624).

The spelling of 123550513104303 in words is "one hundred twenty-three trillion, five hundred fifty billion, five hundred thirteen million, one hundred four thousand, three hundred three".