2021024123 has 24 divisors (see below), whose sum is σ = 2187828720. Its totient is φ = 1863207360.

The previous prime is 2021024077. The next prime is 2021024149. The reversal of 2021024123 is 3214201202.

It is not a de Polignac number, because 2021024123 - 2¹⁰ = 2021023099 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2021024153) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 12398840 + ... + 12399002.

It is an arithmetic number, because the mean of its divisors is an integer number (91159530).

Almost surely, 2^2021024123 is an apocalyptic number.

2021024123 is a deficient number, since it is larger than the sum of its proper divisors (166804597).

2021024123 is an equidigital number, since it uses as much as digits as its factorization.

2021024123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 459 (or 296 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 17.

The square root of 2021024123 is about 44955.8018836279. The cubic root of 2021024123 is about 1264.3204592845.

Adding to 2021024123 its reverse (3214201202), we get a palindrome (5235225325).

The spelling of 2021024123 in words is "two billion, twenty-one million, twenty-four thousand, one hundred twenty-three".