2010123405 has 16 divisors (see below), whose sum is σ = 3573552960. Its totient is φ = 1072065744.

The previous prime is 2010123319. The next prime is 2010123407. The reversal of 2010123405 is 5043210102.

It is not a de Polignac number, because 2010123405 - 2⁹ = 2010122893 is a prime.

It is a super-2 number, since 2×2010123405² = 8081192206657588050, which contains 22 as substring.

It is a congruent 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 15 ways as a sum of consecutive naturals, for example, 7444767 + ... + 7445036.

It is an arithmetic number, because the mean of its divisors is an integer number (223347060).

Almost surely, 2^2010123405 is an apocalyptic number.

It is an amenable number.

2010123405 is a deficient number, since it is larger than the sum of its proper divisors (1563429555).

2010123405 is a wasteful number, since it uses less digits than its factorization.

2010123405 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14889817 (or 14889811 counting only the distinct ones).

The product of its (nonzero) digits is 240, while the sum is 18.

The square root of 2010123405 is about 44834.3997952465. The cubic root of 2010123405 is about 1262.0432550979.

Adding to 2010123405 its reverse (5043210102), we get a palindrome (7053333507).

The spelling of 2010123405 in words is "two billion, ten million, one hundred twenty-three thousand, four hundred five".