2323020021 has 8 divisors (see below), whose sum is σ = 3539840064. Its totient is φ = 1327440000.

The previous prime is 2323020017. The next prime is 2323020053. The reversal of 2323020021 is 1200203232.

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

It is not a de Polignac number, because 2323020021 - 2² = 2323020017 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2323020121) 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, 55309980 + ... + 55310021.

It is an arithmetic number, because the mean of its divisors is an integer number (442480008).

Almost surely, 2^2323020021 is an apocalyptic number.

2323020021 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

It is an amenable number.

2323020021 is a deficient number, since it is larger than the sum of its proper divisors (1216820043).

2323020021 is a wasteful number, since it uses less digits than its factorization.

2323020021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 110620011.

The product of its (nonzero) digits is 144, while the sum is 15.

The square root of 2323020021 is about 48197.7180061463. The cubic root of 2323020021 is about 1324.3953611978.

Adding to 2323020021 its reverse (1200203232), we get a palindrome (3523223253).

The spelling of 2323020021 in words is "two billion, three hundred twenty-three million, twenty thousand, twenty-one".