10021123223 has 4 divisors (see below), whose sum is σ = 10021352808. Its totient is φ = 10020893640.

The previous prime is 10021123213. The next prime is 10021123237. The reversal of 10021123223 is 32232112001.

10021123223 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 32232112001 = 56509 ⋅570389.

It is a cyclic number.

It is not a de Polignac number, because 10021123223 - 2¹² = 10021119127 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 (10021123213) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 26873 + ... + 144098.

It is an arithmetic number, because the mean of its divisors is an integer number (2505338202).

Almost surely, 2^10021123223 is an apocalyptic number.

10021123223 is a deficient number, since it is larger than the sum of its proper divisors (229585).

10021123223 is an equidigital number, since it uses as much as digits as its factorization.

10021123223 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 229584.

The product of its (nonzero) digits is 144, while the sum is 17.

Adding to 10021123223 its reverse (32232112001), we get a palindrome (42253235224).

The spelling of 10021123223 in words is "ten billion, twenty-one million, one hundred twenty-three thousand, two hundred twenty-three".