20123333123103 has 32 divisors (see below), whose sum is σ = 34103304166400. Its totient is φ = 11488229841888.

The previous prime is 20123333123099. The next prime is 20123333123137. The reversal of 20123333123103 is 30132133332102.

20123333123103 is a `hidden beast` number, since 2 + 0 + 1 + 2 + 3 + 33 + 312 + 310 + 3 = 666.

It is not a de Polignac number, because 20123333123103 - 2² = 20123333123099 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20123333123143) 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, 49880308 + ... + 50282121.

It is an arithmetic number, because the mean of its divisors is an integer number (1065728255200).

Almost surely, 2^{20123333123103} is an apocalyptic number.

20123333123103 is a deficient number, since it is larger than the sum of its proper divisors (13979971043297).

20123333123103 is a wasteful number, since it uses less digits than its factorization.

20123333123103 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 100163508 (or 100163502 counting only the distinct ones).

The product of its (nonzero) digits is 5832, while the sum is 27.

Adding to 20123333123103 its reverse (30132133332102), we get a palindrome (50255466455205).

The spelling of 20123333123103 in words is "twenty trillion, one hundred twenty-three billion, three hundred thirty-three million, one hundred twenty-three thousand, one hundred three".