23143022212 has 6 divisors (see below), whose sum is σ = 40500288878. Its totient is φ = 11571511104.

The previous prime is 23143022209. The next prime is 23143022239. The reversal of 23143022212 is 21222034132.

It can be written as a sum of positive squares in only one way, i.e., 15618500676 + 7524521536 = 124974^2 + 86744^2 .

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, 2892877773 + ... + 2892877780.

Almost surely, 2^23143022212 is an apocalyptic number.

It is an amenable number.

23143022212 is a deficient number, since it is larger than the sum of its proper divisors (17357266666).

23143022212 is a wasteful number, since it uses less digits than its factorization.

23143022212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5785755557 (or 5785755555 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 22.

Adding to 23143022212 its reverse (21222034132), we get a palindrome (44365056344).

The spelling of 23143022212 in words is "twenty-three billion, one hundred forty-three million, twenty-two thousand, two hundred twelve".