23311113212 has 12 divisors (see below), whose sum is σ = 40795946856. Its totient is φ = 11655128400.

The previous prime is 23311113209. The next prime is 23311113227. The reversal of 23311113212 is 21231111332.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 36962 + ... + 219062.

It is an arithmetic number, because the mean of its divisors is an integer number (3399662238).

Almost surely, 2^23311113212 is an apocalyptic number.

It is an amenable number.

23311113212 is a deficient number, since it is larger than the sum of its proper divisors (17484833644).

23311113212 is a wasteful number, since it uses less digits than its factorization.

23311113212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 214108 (or 214106 counting only the distinct ones).

The product of its digits is 216, while the sum is 20.

Adding to 23311113212 its reverse (21231111332), we get a palindrome (44542224544).

The spelling of 23311113212 in words is "twenty-three billion, three hundred eleven million, one hundred thirteen thousand, two hundred twelve".