21140230101223 has 8 divisors (see below), whose sum is σ = 21349662595200. Its totient is φ = 20930800024800.

The previous prime is 21140230101101. The next prime is 21140230101229. The reversal of 21140230101223 is 32210103204112.

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 21140230101223 - 2³³ = 21131640166631 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 21140230101194 and 21140230101203.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (21140230101229) 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, 20657578 + ... + 21656776.

It is an arithmetic number, because the mean of its divisors is an integer number (2668707824400).

Almost surely, 2^{21140230101223} is an apocalyptic number.

21140230101223 is a deficient number, since it is larger than the sum of its proper divisors (209432493977).

21140230101223 is a wasteful number, since it uses less digits than its factorization.

21140230101223 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1208777.

The product of its (nonzero) digits is 576, while the sum is 22.

Adding to 21140230101223 its reverse (32210103204112), we get a palindrome (53350333305335).

The spelling of 21140230101223 in words is "twenty-one trillion, one hundred forty billion, two hundred thirty million, one hundred one thousand, two hundred twenty-three".