23221143531104 has 48 divisors (see below), whose sum is σ = 46122760505808. Its totient is φ = 11507433541632.

The previous prime is 23221143531101. The next prime is 23221143531181. The reversal of 23221143531104 is 40113534112232.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (32).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23221143531101) by changing a digit.

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 in 7 ways as a sum of consecutive naturals, for example, 127289684 + ... + 127471980.

It is an arithmetic number, because the mean of its divisors is an integer number (960890843871).

Almost surely, 2^{23221143531104} is an apocalyptic number.

It is an amenable number.

23221143531104 is a deficient number, since it is larger than the sum of its proper divisors (22901616974704).

23221143531104 is a wasteful number, since it uses less digits than its factorization.

23221143531104 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 217647 (or 217639 counting only the distinct ones).

The product of its (nonzero) digits is 17280, while the sum is 32.

Adding to 23221143531104 its reverse (40113534112232), we get a palindrome (63334677643336).

The spelling of 23221143531104 in words is "twenty-three trillion, two hundred twenty-one billion, one hundred forty-three million, five hundred thirty-one thousand, one hundred four".