23223155512 has 16 divisors (see below), whose sum is σ = 44556054840. Its totient is φ = 11341540896.

The previous prime is 23223155491. The next prime is 23223155513. The reversal of 23223155512 is 21555132232.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23223155513) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 33754243 + ... + 33754930.

Almost surely, 2^23223155512 is an apocalyptic number.

It is an amenable number.

23223155512 is a deficient number, since it is larger than the sum of its proper divisors (21332899328).

23223155512 is a wasteful number, since it uses less digits than its factorization.

23223155512 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 67509222 (or 67509218 counting only the distinct ones).

The product of its digits is 18000, while the sum is 31.

Adding to 23223155512 its reverse (21555132232), we get a palindrome (44778287744).

The spelling of 23223155512 in words is "twenty-three billion, two hundred twenty-three million, one hundred fifty-five thousand, five hundred twelve".