23220324025021 has 8 divisors (see below), whose sum is σ = 24033581641080. Its totient is φ = 22407903528192.

The previous prime is 23220324025013. The next prime is 23220324025123. The reversal of 23220324025021 is 12052042302232.

It can be written as a sum of positive squares in 4 ways, for example, as 9569804120100 + 13650519904921 = 3093510^2 + 3694661^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 23220324025021 - 2³ = 23220324025013 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23220324025621) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 209223360 + ... + 209334313.

It is an arithmetic number, because the mean of its divisors is an integer number (3004197705135).

Almost surely, 2^{23220324025021} is an apocalyptic number.

It is an amenable number.

23220324025021 is a deficient number, since it is larger than the sum of its proper divisors (813257616059).

23220324025021 is a wasteful number, since it uses less digits than its factorization.

23220324025021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 418559615.

The product of its (nonzero) digits is 11520, while the sum is 28.

Adding to 23220324025021 its reverse (12052042302232), we get a palindrome (35272366327253).

The spelling of 23220324025021 in words is "twenty-three trillion, two hundred twenty billion, three hundred twenty-four million, twenty-five thousand, twenty-one".