21214030045223 has 32 divisors (see below), whose sum is σ = 23468434560000. Its totient is φ = 19086405034752.

The previous prime is 21214030045207. The next prime is 21214030045277. The reversal of 21214030045223 is 32254003041212.

It is not a de Polignac number, because 21214030045223 - 2⁴ = 21214030045207 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (21214030045823) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 35630963 + ... + 36221451.

It is an arithmetic number, because the mean of its divisors is an integer number (733388580000).

Almost surely, 2^{21214030045223} is an apocalyptic number.

21214030045223 is a gapful number since it is divisible by the number (23) formed by its first and last digit.

21214030045223 is a deficient number, since it is larger than the sum of its proper divisors (2254404514777).

21214030045223 is a wasteful number, since it uses less digits than its factorization.

21214030045223 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 591119.

The product of its (nonzero) digits is 11520, while the sum is 29.

Adding to 21214030045223 its reverse (32254003041212), we get a palindrome (53468033086435).

The spelling of 21214030045223 in words is "twenty-one trillion, two hundred fourteen billion, thirty million, forty-five thousand, two hundred twenty-three".