2002040023 has 8 divisors (see below), whose sum is σ = 2013050160. Its totient is φ = 1991055360.

The previous prime is 2002040009. The next prime is 2002040063. The reversal of 2002040023 is 3200402002.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 2002040023 - 2²¹ = 1999942871 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2002039985 and 2002040012.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2002040063) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 163453 + ... + 175273.

It is an arithmetic number, because the mean of its divisors is an integer number (251631270).

Almost surely, 2^2002040023 is an apocalyptic number.

2002040023 is a deficient number, since it is larger than the sum of its proper divisors (11010137).

2002040023 is a wasteful number, since it uses less digits than its factorization.

2002040023 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12737.

The product of its (nonzero) digits is 96, while the sum is 13.

The square root of 2002040023 is about 44744.1618873345. The cubic root of 2002040023 is about 1260.3492823139.

Adding to 2002040023 its reverse (3200402002), we get a palindrome (5202442025).

The spelling of 2002040023 in words is "two billion, two million, forty thousand, twenty-three".