21023130212223 has 8 divisors (see below), whose sum is σ = 28449211033728. Its totient is φ = 13806234766104.

The previous prime is 21023130212209. The next prime is 21023130212237. The reversal of 21023130212223 is 32221203132012.

It is an interprime number because it is at equal distance from previous prime (21023130212209) and next prime (21023130212237).

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

It is not a de Polignac number, because 21023130212223 - 2⁶ = 21023130212159 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 21023130212193 and 21023130212202.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (21023130214223) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 52296343611 + ... + 52296344012.

It is an arithmetic number, because the mean of its divisors is an integer number (3556151379216).

Almost surely, 2^{21023130212223} is an apocalyptic number.

21023130212223 is a deficient number, since it is larger than the sum of its proper divisors (7426080821505).

21023130212223 is a wasteful number, since it uses less digits than its factorization.

21023130212223 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 104592687693.

The product of its (nonzero) digits is 1728, while the sum is 24.

Adding to 21023130212223 its reverse (32221203132012), we get a palindrome (53244333344235).

The spelling of 21023130212223 in words is "twenty-one trillion, twenty-three billion, one hundred thirty million, two hundred twelve thousand, two hundred twenty-three".