2103102123 has 8 divisors (see below), whose sum is σ = 2804352000. Its totient is φ = 1401960168.

The previous prime is 2103102119. The next prime is 2103102161. The reversal of 2103102123 is 3212013012.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 2103102123 - 2² = 2103102119 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2103102103) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 49318 + ... + 81476.

It is an arithmetic number, because the mean of its divisors is an integer number (350544000).

Almost surely, 2^2103102123 is an apocalyptic number.

2103102123 is a deficient number, since it is larger than the sum of its proper divisors (701249877).

2103102123 is a wasteful number, since it uses less digits than its factorization.

2103102123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 53961.

The product of its (nonzero) digits is 72, while the sum is 15.

The square root of 2103102123 is about 45859.5913959119. The cubic root of 2103102123 is about 1281.2094125457.

Adding to 2103102123 its reverse (3212013012), we get a palindrome (5315115135).

The spelling of 2103102123 in words is "two billion, one hundred three million, one hundred two thousand, one hundred twenty-three".