2002053123 has 72 divisors (see below), whose sum is σ = 3600015120. Its totient is φ = 1065778560.

The previous prime is 2002053121. The next prime is 2002053143. The reversal of 2002053123 is 3213502002.

It is not a de Polignac number, because 2002053123 - 2¹ = 2002053121 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2002053096 and 2002053105.

It is not an unprimeable number, because it can be changed into a prime (2002053121) by changing a digit.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 509161 + ... + 513077.

It is an arithmetic number, because the mean of its divisors is an integer number (50000210).

Almost surely, 2^2002053123 is an apocalyptic number.

2002053123 is a deficient number, since it is larger than the sum of its proper divisors (1597961997).

2002053123 is a wasteful number, since it uses less digits than its factorization.

2002053123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4017 (or 4007 counting only the distinct ones).

The product of its (nonzero) digits is 360, while the sum is 18.

The square root of 2002053123 is about 44744.3082749080. The cubic root of 2002053123 is about 1260.3520312665.

Adding to 2002053123 its reverse (3213502002), we get a palindrome (5215555125).

The spelling of 2002053123 in words is "two billion, two million, fifty-three thousand, one hundred twenty-three".