2312333021 has 4 divisors (see below), whose sum is σ = 2313452700. Its totient is φ = 2311213344.

The previous prime is 2312333017. The next prime is 2312333029. The reversal of 2312333021 is 1203332132.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 899400100 + 1412932921 = 29990^2 + 37589^2 .

It is a cyclic number.

It is not a de Polignac number, because 2312333021 - 2² = 2312333017 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2312332984 and 2312333002.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2312333029) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 556736 + ... + 560873.

It is an arithmetic number, because the mean of its divisors is an integer number (578363175).

Almost surely, 2^2312333021 is an apocalyptic number.

It is an amenable number.

2312333021 is a deficient number, since it is larger than the sum of its proper divisors (1119679).

2312333021 is a wasteful number, since it uses less digits than its factorization.

2312333021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1119678.

The product of its (nonzero) digits is 648, while the sum is 20.

The square root of 2312333021 is about 48086.7239578660. The cubic root of 2312333021 is about 1322.3612886679.

Adding to 2312333021 its reverse (1203332132), we get a palindrome (3515665153).

The spelling of 2312333021 in words is "two billion, three hundred twelve million, three hundred thirty-three thousand, twenty-one".