2021323263 has 8 divisors (see below), whose sum is σ = 2695305648. Its totient is φ = 1347444864.

The previous prime is 2021323261. The next prime is 2021323277. The reversal of 2021323263 is 3623231202.

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

It is not a de Polignac number, because 2021323263 - 2¹ = 2021323261 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2021323261) 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, 60081 + ... + 87477.

It is an arithmetic number, because the mean of its divisors is an integer number (336913206).

Almost surely, 2^2021323263 is an apocalyptic number.

2021323263 is a deficient number, since it is larger than the sum of its proper divisors (673982385).

2021323263 is a wasteful number, since it uses less digits than its factorization.

2021323263 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 51993.

The product of its (nonzero) digits is 2592, while the sum is 24.

The square root of 2021323263 is about 44959.1288060612. The cubic root of 2021323263 is about 1264.3828352781.

Adding to 2021323263 its reverse (3623231202), we get a palindrome (5644554465).

The spelling of 2021323263 in words is "two billion, twenty-one million, three hundred twenty-three thousand, two hundred sixty-three".