21230230200033 has 4 divisors (see below), whose sum is σ = 28306973600048. Its totient is φ = 14153486800020.

The previous prime is 21230230199989. The next prime is 21230230200071. The reversal of 21230230200033 is 33000203203212.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 21230230200033 - 2¹⁴ = 21230230183649 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 21230230199982 and 21230230200009.

It is not an unprimeable number, because it can be changed into a prime (21230230200233) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3538371700003 + ... + 3538371700008.

It is an arithmetic number, because the mean of its divisors is an integer number (7076743400012).

Almost surely, 2^{21230230200033} is an apocalyptic number.

It is an amenable number.

21230230200033 is a deficient number, since it is larger than the sum of its proper divisors (7076743400015).

21230230200033 is an equidigital number, since it uses as much as digits as its factorization.

21230230200033 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7076743400014.

The product of its (nonzero) digits is 1296, while the sum is 21.

Adding to 21230230200033 its reverse (33000203203212), we get a palindrome (54230433403245).

The spelling of 21230230200033 in words is "twenty-one trillion, two hundred thirty billion, two hundred thirty million, two hundred thousand, thirty-three".