21023222323203 has 24 divisors (see below), whose sum is σ = 32153342128128. Its totient is φ = 13190968196352.

The previous prime is 21023222323183. The next prime is 21023222323219. The reversal of 21023222323203 is 30232322232012.

21023222323203 is a `hidden beast` number, since 2 + 1 + 0 + 232 + 223 + 2 + 3 + 203 = 666.

It is not a de Polignac number, because 21023222323203 - 2⁶ = 21023222323139 is a prime.

It is not an unprimeable number, because it can be changed into a prime (21023222323223) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 44298750 + ... + 44770812.

It is an arithmetic number, because the mean of its divisors is an integer number (1339722588672).

Almost surely, 2^{21023222323203} is an apocalyptic number.

21023222323203 is a deficient number, since it is larger than the sum of its proper divisors (11130119804925).

21023222323203 is a wasteful number, since it uses less digits than its factorization.

21023222323203 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 763163 (or 763160 counting only the distinct ones).

The product of its (nonzero) digits is 10368, while the sum is 27.

Adding to 21023222323203 its reverse (30232322232012), we get a palindrome (51255544555215).

The spelling of 21023222323203 in words is "twenty-one trillion, twenty-three billion, two hundred twenty-two million, three hundred twenty-three thousand, two hundred three".