23213221110 has 64 divisors (see below), whose sum is σ = 61916356800. Its totient is φ = 6188749056.

The previous prime is 23213221103. The next prime is 23213221121. The reversal of 23213221110 is 1112231232.

23213221110 is a `hidden beast` number, since 2 + 321 + 322 + 11 + 10 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1671676 + ... + 1685504.

It is an arithmetic number, because the mean of its divisors is an integer number (967443075).

Almost surely, 2^23213221110 is an apocalyptic number.

23213221110 is an abundant number, since it is smaller than the sum of its proper divisors (38703135690).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

23213221110 is a wasteful number, since it uses less digits than its factorization.

23213221110 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20062 (or 20056 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 18.

Adding to 23213221110 its reverse (1112231232), we get a palindrome (24325452342).

The spelling of 23213221110 in words is "twenty-three billion, two hundred thirteen million, two hundred twenty-one thousand, one hundred ten".