23213553164 has 12 divisors (see below), whose sum is σ = 42761808600. Its totient is φ = 10995893568.

The previous prime is 23213553149. The next prime is 23213553203. The reversal of 23213553164 is 46135531232.

It is a happy number.

It is an unprimeable number.

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, 152720669 + ... + 152720820.

It is an arithmetic number, because the mean of its divisors is an integer number (3563484050).

Almost surely, 2^23213553164 is an apocalyptic number.

It is an amenable number.

23213553164 is a deficient number, since it is larger than the sum of its proper divisors (19548255436).

23213553164 is a wasteful number, since it uses less digits than its factorization.

23213553164 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 305441512 (or 305441510 counting only the distinct ones).

The product of its digits is 64800, while the sum is 35.

The spelling of 23213553164 in words is "twenty-three billion, two hundred thirteen million, five hundred fifty-three thousand, one hundred sixty-four".