2000023121 has 8 divisors (see below), whose sum is σ = 2115571200. Its totient is φ = 1886857632.

The previous prime is 2000023099. The next prime is 2000023139. The reversal of 2000023121 is 1213200002.

It is a happy number.

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 2000023121 - 2¹⁰ = 2000022097 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2000013121) 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, 593921 + ... + 597278.

It is an arithmetic number, because the mean of its divisors is an integer number (264446400).

Almost surely, 2^2000023121 is an apocalyptic number.

It is an amenable number.

2000023121 is a deficient number, since it is larger than the sum of its proper divisors (115548079).

2000023121 is a wasteful number, since it uses less digits than its factorization.

2000023121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1191295.

The product of its (nonzero) digits is 24, while the sum is 11.

The square root of 2000023121 is about 44721.6180498872. The cubic root of 2000023121 is about 1259.9259049819.

Adding to 2000023121 its reverse (1213200002), we get a palindrome (3213223123).

The spelling of 2000023121 in words is "two billion, twenty-three thousand, one hundred twenty-one".