2103001320123 has 24 divisors (see below), whose sum is σ = 3376345181040. Its totient is φ = 1250498208960.

The previous prime is 2103001320107. The next prime is 2103001320127. The reversal of 2103001320123 is 3210231003012.

2103001320123 is a `hidden beast` number, since 21 + 0 + 300 + 1 + 320 + 1 + 23 = 666.

It is not a de Polignac number, because 2103001320123 - 2⁴ = 2103001320107 is a prime.

It is a super-2 number, since 2×2103001320123² (a number of 25 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 2103001320096 and 2103001320105.

It is not an unprimeable number, because it can be changed into a prime (2103001320127) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 200395108 + ... + 200405601.

It is an arithmetic number, because the mean of its divisors is an integer number (140681049210).

Almost surely, 2^{2103001320123} is an apocalyptic number.

2103001320123 is a deficient number, since it is larger than the sum of its proper divisors (1273343860917).

2103001320123 is a wasteful number, since it uses less digits than its factorization.

2103001320123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 400800779 (or 400800776 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 18.

Adding to 2103001320123 its reverse (3210231003012), we get a palindrome (5313232323135).

The spelling of 2103001320123 in words is "two trillion, one hundred three billion, one million, three hundred twenty thousand, one hundred twenty-three".