2010403123 has 4 divisors (see below), whose sum is σ = 2057156728. Its totient is φ = 1963649520.

The previous prime is 2010403117. The next prime is 2010403181. The reversal of 2010403123 is 3213040102.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 3213040102 = 2 ⋅1606520051.

It is a cyclic number.

It is not a de Polignac number, because 2010403123 - 2¹⁷ = 2010272051 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2010403097 and 2010403106.

It is not an unprimeable number, because it can be changed into a prime (2010403183) 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 3 ways as a sum of consecutive naturals, for example, 23376738 + ... + 23376823.

It is an arithmetic number, because the mean of its divisors is an integer number (514289182).

Almost surely, 2^2010403123 is an apocalyptic number.

2010403123 is a deficient number, since it is larger than the sum of its proper divisors (46753605).

2010403123 is an equidigital number, since it uses as much as digits as its factorization.

2010403123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 46753604.

The product of its (nonzero) digits is 144, while the sum is 16.

The square root of 2010403123 is about 44837.5191441275. The cubic root of 2010403123 is about 1262.1017921079.

Adding to 2010403123 its reverse (3213040102), we get a palindrome (5223443225).

The spelling of 2010403123 in words is "two billion, ten million, four hundred three thousand, one hundred twenty-three".