123130020003 has 16 divisors (see below), whose sum is σ = 165784582656. Its totient is φ = 81284808320.

The previous prime is 123130019989. The next prime is 123130020007. The reversal of 123130020003 is 300020031321.

It is a cyclic number.

It is not a de Polignac number, because 123130020003 - 2⁶ = 123130019939 is a prime.

It is a super-2 number, since 2×123130020003² (a number of 23 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (123130020007) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 335478 + ... + 599003.

It is an arithmetic number, because the mean of its divisors is an integer number (10361536416).

Almost surely, 2^123130020003 is an apocalyptic number.

123130020003 is a deficient number, since it is larger than the sum of its proper divisors (42654562653).

123130020003 is a wasteful number, since it uses less digits than its factorization.

123130020003 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 934914.

The product of its (nonzero) digits is 108, while the sum is 15.

Adding to 123130020003 its reverse (300020031321), we get a palindrome (423150051324).

The spelling of 123130020003 in words is "one hundred twenty-three billion, one hundred thirty million, twenty thousand, three".