2103003123 has 16 divisors (see below), whose sum is σ = 3039703296. Its totient is φ = 1285581600.

The previous prime is 2103003103. The next prime is 2103003143. The reversal of 2103003123 is 3213003012.

It is an interprime number because it is at equal distance from previous prime (2103003103) and next prime (2103003143).

It is not a de Polignac number, because 2103003123 - 2¹² = 2102999027 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2103003103) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 172665 + ... + 184442.

It is an arithmetic number, because the mean of its divisors is an integer number (189981456).

Almost surely, 2^2103003123 is an apocalyptic number.

2103003123 is a deficient number, since it is larger than the sum of its proper divisors (936700173).

2103003123 is a wasteful number, since it uses less digits than its factorization.

2103003123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 357274.

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

The square root of 2103003123 is about 45858.5120015903. The cubic root of 2103003123 is about 1281.1893086366.

Adding to 2103003123 its reverse (3213003012), we get a palindrome (5316006135).

The spelling of 2103003123 in words is "two billion, one hundred three million, three thousand, one hundred twenty-three".