33223123312 has 20 divisors (see below), whose sum is σ = 64696557816. Its totient is φ = 16527237440.

The previous prime is 33223123309. The next prime is 33223123313. The reversal of 33223123312 is 21332132233.

It is a super-2 number, since 2×33223123312² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (33223123313) 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, 5267014 + ... + 5273317.

Almost surely, 2^33223123312 is an apocalyptic number.

It is an amenable number.

33223123312 is a deficient number, since it is larger than the sum of its proper divisors (31473434504).

33223123312 is a wasteful number, since it uses less digits than its factorization.

33223123312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10540536 (or 10540530 counting only the distinct ones).

The product of its digits is 3888, while the sum is 25.

Adding to 33223123312 its reverse (21332132233), we get a palindrome (54555255545).

The spelling of 33223123312 in words is "thirty-three billion, two hundred twenty-three million, one hundred twenty-three thousand, three hundred twelve".