21122300223023 has 8 divisors (see below), whose sum is σ = 21126187992192. Its totient is φ = 21118412805336.

The previous prime is 21122300222921. The next prime is 21122300223029. The reversal of 21122300223023 is 32032200322112.

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 21122300223023 - 2⁸ = 21122300222767 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 21122300223023.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (21122300223029) 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, 139893536 + ... + 140044442.

It is an arithmetic number, because the mean of its divisors is an integer number (2640773499024).

Almost surely, 2^{21122300223023} is an apocalyptic number.

21122300223023 is a deficient number, since it is larger than the sum of its proper divisors (3887769169).

21122300223023 is a wasteful number, since it uses less digits than its factorization.

21122300223023 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 175741.

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

Adding to 21122300223023 its reverse (32032200322112), we get a palindrome (53154500545135).

The spelling of 21122300223023 in words is "twenty-one trillion, one hundred twenty-two billion, three hundred million, two hundred twenty-three thousand, twenty-three".