23311323312 has 20 divisors (see below), whose sum is σ = 60220918680. Its totient is φ = 7770441088.

The previous prime is 23311323293. The next prime is 23311323313. The reversal of 23311323312 is 21332311332.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a nude number because it is divisible by every one of its digits.

It is not an unprimeable number, because it can be changed into a prime (23311323313) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 242826237 + ... + 242826332.

It is an arithmetic number, because the mean of its divisors is an integer number (3011045934).

Almost surely, 2^23311323312 is an apocalyptic number.

It is an amenable number.

23311323312 is an abundant number, since it is smaller than the sum of its proper divisors (36909595368).

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

23311323312 is a wasteful number, since it uses less digits than its factorization.

23311323312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 485652580 (or 485652574 counting only the distinct ones).

The product of its digits is 1944, while the sum is 24.

Adding to 23311323312 its reverse (21332311332), we get a palindrome (44643634644).

The spelling of 23311323312 in words is "twenty-three billion, three hundred eleven million, three hundred twenty-three thousand, three hundred twelve".