23104344221221 has 16 divisors (see below), whose sum is σ = 23918004797440. Its totient is φ = 22294982913840.

The previous prime is 23104344221149. The next prime is 23104344221249. The reversal of 23104344221221 is 12212244340132.

It is a cyclic number.

It is not a de Polignac number, because 23104344221221 - 2¹³ = 23104344213029 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (31).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23104344221291) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 52026700 + ... + 52468906.

It is an arithmetic number, because the mean of its divisors is an integer number (1494875299840).

Almost surely, 2^{23104344221221} is an apocalyptic number.

It is an amenable number.

23104344221221 is a deficient number, since it is larger than the sum of its proper divisors (813660576219).

23104344221221 is a wasteful number, since it uses less digits than its factorization.

23104344221221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 447064.

The product of its (nonzero) digits is 18432, while the sum is 31.

Adding to 23104344221221 its reverse (12212244340132), we get a palindrome (35316588561353).

The spelling of 23104344221221 in words is "twenty-three trillion, one hundred four billion, three hundred forty-four million, two hundred twenty-one thousand, two hundred twenty-one".