23133312 has 96 divisors (see below), whose sum is σ = 68262480. Its totient is φ = 7515648.

The previous prime is 23133301. The next prime is 23133323. The reversal of 23133312 is 21333132.

It is an interprime number because it is at equal distance from previous prime (23133301) and next prime (23133323).

It is a tau number, because it is divible by the number of its divisors (96).

It is a Harshad number since it is a multiple of its sum of digits (18).

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

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 49303 + ... + 49769.

Almost surely, 2^23133312 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 23133312, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (34131240).

23133312 is an abundant number, since it is smaller than the sum of its proper divisors (45129168).

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

23133312 is a wasteful number, since it uses less digits than its factorization.

23133312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 530 (or 515 counting only the distinct ones).

The product of its digits is 324, while the sum is 18.

The square root of 23133312 is about 4809.7101783787. The cubic root of 23133312 is about 284.9350914047.

Adding to 23133312 its reverse (21333132), we get a palindrome (44466444).

It can be divided in two parts, 2313 and 3312, that added together give a square (5625 = 75²).

The spelling of 23133312 in words is "twenty-three million, one hundred thirty-three thousand, three hundred twelve".