23321312 has 24 divisors (see below), whose sum is σ = 52473456. Its totient is φ = 9994752.

The previous prime is 23321273. The next prime is 23321321. The reversal of 23321312 is 21312332.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 51833 + ... + 52280.

It is an arithmetic number, because the mean of its divisors is an integer number (2186394).

Almost surely, 2^23321312 is an apocalyptic number.

It is an amenable number.

23321312 is an abundant number, since it is smaller than the sum of its proper divisors (29152144).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

23321312 is a wasteful number, since it uses less digits than its factorization.

23321312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 104130 (or 104122 counting only the distinct ones).

The product of its digits is 216, while the sum is 17.

The square root of 23321312 is about 4829.2144288694. The cubic root of 23321312 is about 285.7048808333.

Adding to 23321312 its reverse (21312332), we get a palindrome (44633644).

The spelling of 23321312 in words is "twenty-three million, three hundred twenty-one thousand, three hundred twelve".