10221323220023 has 4 divisors (see below), whose sum is σ = 10221381672768. Its totient is φ = 10221264767280.

The previous prime is 10221323219977. The next prime is 10221323220041. The reversal of 10221323220023 is 32002232312201.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 10221323220023 - 2¹⁰ = 10221323218999 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10221323220523) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 28963286 + ... + 29314067.

It is an arithmetic number, because the mean of its divisors is an integer number (2555345418192).

Almost surely, 2^{10221323220023} is an apocalyptic number.

10221323220023 is a deficient number, since it is larger than the sum of its proper divisors (58452745).

10221323220023 is an equidigital number, since it uses as much as digits as its factorization.

10221323220023 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 58452744.

The product of its (nonzero) digits is 1728, while the sum is 23.

Adding to 10221323220023 its reverse (32002232312201), we get a palindrome (42223555532224).

The spelling of 10221323220023 in words is "ten trillion, two hundred twenty-one billion, three hundred twenty-three million, two hundred twenty thousand, twenty-three".