2021234243 has 8 divisors (see below), whose sum is σ = 2310254688. Its totient is φ = 1732281984.

The previous prime is 2021234191. The next prime is 2021234251. The reversal of 2021234243 is 3424321202.

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 2021234243 - 2⁶ = 2021234179 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2021234263) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 100955 + ... + 119307.

It is an arithmetic number, because the mean of its divisors is an integer number (288781836).

Almost surely, 2^2021234243 is an apocalyptic number.

2021234243 is a deficient number, since it is larger than the sum of its proper divisors (289020445).

2021234243 is a wasteful number, since it uses less digits than its factorization.

2021234243 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34093.

The product of its (nonzero) digits is 2304, while the sum is 23.

The square root of 2021234243 is about 44958.1387848741. The cubic root of 2021234243 is about 1264.3642736731.

Adding to 2021234243 its reverse (3424321202), we get a palindrome (5445555445).

The spelling of 2021234243 in words is "two billion, twenty-one million, two hundred thirty-four thousand, two hundred forty-three".