23311310212 has 6 divisors (see below), whose sum is σ = 40794792878. Its totient is φ = 11655655104.

The previous prime is 23311310203. The next prime is 23311310233. The reversal of 23311310212 is 21201311332.

It can be written as a sum of positive squares in only one way, i.e., 13515457536 + 9795852676 = 116256^2 + 98974^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 23311310212.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2913913773 + ... + 2913913780.

Almost surely, 2^23311310212 is an apocalyptic number.

It is an amenable number.

23311310212 is a deficient number, since it is larger than the sum of its proper divisors (17483482666).

23311310212 is a wasteful number, since it uses less digits than its factorization.

23311310212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5827827557 (or 5827827555 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 19.

Adding to 23311310212 its reverse (21201311332), we get a palindrome (44512621544).

The spelling of 23311310212 in words is "twenty-three billion, three hundred eleven million, three hundred ten thousand, two hundred twelve".