23133321212 has 12 divisors (see below), whose sum is σ = 40599312600. Its totient is φ = 11533517616.

The previous prime is 23133321193. The next prime is 23133321247. The reversal of 23133321212 is 21212333132.

It is a super-4 number, since 4×23133321212⁴ (a number of 43 digits) contains 4444 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8284178 + ... + 8286969.

It is an arithmetic number, because the mean of its divisors is an integer number (3383276050).

Almost surely, 2^23133321212 is an apocalyptic number.

It is an amenable number.

23133321212 is a deficient number, since it is larger than the sum of its proper divisors (17465991388).

23133321212 is a wasteful number, since it uses less digits than its factorization.

23133321212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16571500 (or 16571498 counting only the distinct ones).

The product of its digits is 1296, while the sum is 23.

Adding to 23133321212 its reverse (21212333132), we get a palindrome (44345654344).

The spelling of 23133321212 in words is "twenty-three billion, one hundred thirty-three million, three hundred twenty-one thousand, two hundred twelve".