21223023133333 has 8 divisors (see below), whose sum is σ = 24381872501760. Its totient is φ = 18095920995120.

The previous prime is 21223023133259. The next prime is 21223023133339. The reversal of 21223023133333 is 33333132032212.

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 21223023133333 - 2¹³ = 21223023125141 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 21223023133295 and 21223023133304.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (21223023133339) 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, 7936806118 + ... + 7936808791.

It is an arithmetic number, because the mean of its divisors is an integer number (3047734062720).

Almost surely, 2^{21223023133333} is an apocalyptic number.

It is an amenable number.

21223023133333 is a deficient number, since it is larger than the sum of its proper divisors (3158849368427).

21223023133333 is a wasteful number, since it uses less digits than its factorization.

21223023133333 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15873615107.

The product of its (nonzero) digits is 34992, while the sum is 31.

Adding to 21223023133333 its reverse (33333132032212), we get a palindrome (54556155165545).

The spelling of 21223023133333 in words is "twenty-one trillion, two hundred twenty-three billion, twenty-three million, one hundred thirty-three thousand, three hundred thirty-three".