23220322012 has 6 divisors (see below), whose sum is σ = 40635563528. Its totient is φ = 11610161004.

The previous prime is 23220321983. The next prime is 23220322051. The reversal of 23220322012 is 21022302232.

It is a super-3 number, since 3×23220322012³ (a number of 32 digits) contains 333 as substring.

It is a congruent number.

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, 2902540248 + ... + 2902540255.

Almost surely, 2^23220322012 is an apocalyptic number.

It is an amenable number.

23220322012 is a deficient number, since it is larger than the sum of its proper divisors (17415241516).

23220322012 is a wasteful number, since it uses less digits than its factorization.

23220322012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5805080507 (or 5805080505 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 19.

Adding to 23220322012 its reverse (21022302232), we get a palindrome (44242624244).

The spelling of 23220322012 in words is "twenty-three billion, two hundred twenty million, three hundred twenty-two thousand, twelve".