23221354521204 has 96 divisors (see below), whose sum is σ = 68988475395840. Its totient is φ = 6616885313664.

The previous prime is 23221354521187. The next prime is 23221354521227. The reversal of 23221354521204 is 40212545312232.

23221354521204 is a `hidden beast` number, since 2 + 32 + 21 + 35 + 452 + 120 + 4 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

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, 40892379 + ... + 41456354.

It is an arithmetic number, because the mean of its divisors is an integer number (718629952040).

Almost surely, 2^{23221354521204} is an apocalyptic number.

It is an amenable number.

23221354521204 is an abundant number, since it is smaller than the sum of its proper divisors (45767120874636).

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

23221354521204 is a wasteful number, since it uses less digits than its factorization.

23221354521204 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 82349126 (or 82349118 counting only the distinct ones).

The product of its (nonzero) digits is 115200, while the sum is 36.

Adding to 23221354521204 its reverse (40212545312232), we get a palindrome (63433899833436).

The spelling of 23221354521204 in words is "twenty-three trillion, two hundred twenty-one billion, three hundred fifty-four million, five hundred twenty-one thousand, two hundred four".