2323012221 has 12 divisors (see below), whose sum is σ = 3388685820. Its totient is φ = 1533340800.

The previous prime is 2323012193. The next prime is 2323012291. The reversal of 2323012221 is 1222103232.

It can be written as a sum of positive squares in 2 ways, for example, as 1221502500 + 1101509721 = 34950^2 + 33189^2 .

It is not a de Polignac number, because 2323012221 - 2⁶ = 2323012157 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2323012194 and 2323012203.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2323012291) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1276876 + ... + 1278693.

It is an arithmetic number, because the mean of its divisors is an integer number (282390485).

Almost surely, 2^2323012221 is an apocalyptic number.

It is an amenable number.

2323012221 is a deficient number, since it is larger than the sum of its proper divisors (1065673599).

2323012221 is a wasteful number, since it uses less digits than its factorization.

2323012221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2555676 (or 2555673 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 18.

The square root of 2323012221 is about 48197.6370893844. The cubic root of 2323012221 is about 1324.3938788895.

Adding to 2323012221 its reverse (1222103232), we get a palindrome (3545115453).

The spelling of 2323012221 in words is "two billion, three hundred twenty-three million, twelve thousand, two hundred twenty-one".