2010031123 has 4 divisors (see below), whose sum is σ = 2011417848. Its totient is φ = 2008644400.

The previous prime is 2010031099. The next prime is 2010031139. The reversal of 2010031123 is 3211300102.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2010031123 is a prime.

It is a super-2 number, since 2×2010031123² = 8080450230857282258, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2010031183) 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, 691186 + ... + 694087.

It is an arithmetic number, because the mean of its divisors is an integer number (502854462).

Almost surely, 2^2010031123 is an apocalyptic number.

2010031123 is a deficient number, since it is larger than the sum of its proper divisors (1386725).

2010031123 is a wasteful number, since it uses less digits than its factorization.

2010031123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1386724.

The product of its (nonzero) digits is 36, while the sum is 13.

The square root of 2010031123 is about 44833.3706406288. The cubic root of 2010031123 is about 1262.0239419125.

Adding to 2010031123 its reverse (3211300102), we get a palindrome (5221331225).

The spelling of 2010031123 in words is "two billion, ten million, thirty-one thousand, one hundred twenty-three".