2010123403 has 4 divisors (see below), whose sum is σ = 2010761280. Its totient is φ = 2009485528.

The previous prime is 2010123319. The next prime is 2010123407. The reversal of 2010123403 is 3043210102.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 2010123403 - 2²⁹ = 1473252491 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2010123407) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 314188 + ... + 320521.

It is an arithmetic number, because the mean of its divisors is an integer number (502690320).

Almost surely, 2^2010123403 is an apocalyptic number.

2010123403 is a deficient number, since it is larger than the sum of its proper divisors (637877).

2010123403 is an equidigital number, since it uses as much as digits as its factorization.

2010123403 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 637876.

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

The square root of 2010123403 is about 44834.3997729422. The cubic root of 2010123403 is about 1262.0432546793.

Adding to 2010123403 its reverse (3043210102), we get a palindrome (5053333505).

The spelling of 2010123403 in words is "two billion, ten million, one hundred twenty-three thousand, four hundred three".