2321213252 has 24 divisors (see below), whose sum is σ = 4392589824. Its totient is φ = 1069092992.

The previous prime is 2321213249. The next prime is 2321213311. The reversal of 2321213252 is 2523121232.

It is a super-2 number, since 2×2321213252² = 10776061922520831008, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 359948 + ... + 366339.

It is an arithmetic number, because the mean of its divisors is an integer number (183024576).

Almost surely, 2^2321213252 is an apocalyptic number.

It is an amenable number.

2321213252 is a deficient number, since it is larger than the sum of its proper divisors (2071376572).

2321213252 is a wasteful number, since it uses less digits than its factorization.

2321213252 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 726355 (or 726353 counting only the distinct ones).

The product of its digits is 1440, while the sum is 23.

The square root of 2321213252 is about 48178.9710558455. The cubic root of 2321213252 is about 1324.0519150090.

Adding to 2321213252 its reverse (2523121232), we get a palindrome (4844334484).

The spelling of 2321213252 in words is "two billion, three hundred twenty-one million, two hundred thirteen thousand, two hundred fifty-two".