23311133331212 has 6 divisors (see below), whose sum is σ = 40794483329628. Its totient is φ = 11655566665604.

The previous prime is 23311133331203. The next prime is 23311133331217. The reversal of 23311133331212 is 21213333111332.

It is not an unprimeable number, because it can be changed into a prime (23311133331217) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2913891666398 + ... + 2913891666405.

It is an arithmetic number, because the mean of its divisors is an integer number (6799080554938).

Almost surely, 2^{23311133331212} is an apocalyptic number.

It is an amenable number.

23311133331212 is a deficient number, since it is larger than the sum of its proper divisors (17483349998416).

23311133331212 is a wasteful number, since it uses less digits than its factorization.

23311133331212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5827783332807 (or 5827783332805 counting only the distinct ones).

The product of its digits is 5832, while the sum is 29.

Adding to 23311133331212 its reverse (21213333111332), we get a palindrome (44524466442544).

The spelling of 23311133331212 in words is "twenty-three trillion, three hundred eleven billion, one hundred thirty-three million, three hundred thirty-one thousand, two hundred twelve".