21023211233230 has 8 divisors (see below), whose sum is σ = 37841780219832. Its totient is φ = 8409284493288.

The previous prime is 21023211233221. The next prime is 21023211233249. The reversal of 21023211233230 is 3233211232012.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 21023211233195 and 21023211233204.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1051160561652 + ... + 1051160561671.

It is an arithmetic number, because the mean of its divisors is an integer number (4730222527479).

Almost surely, 2^{21023211233230} is an apocalyptic number.

21023211233230 is a deficient number, since it is larger than the sum of its proper divisors (16818568986602).

21023211233230 is a wasteful number, since it uses less digits than its factorization.

21023211233230 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2102321123330.

The product of its (nonzero) digits is 2592, while the sum is 25.

Adding to 21023211233230 its reverse (3233211232012), we get a palindrome (24256422465242).

The spelling of 21023211233230 in words is "twenty-one trillion, twenty-three billion, two hundred eleven million, two hundred thirty-three thousand, two hundred thirty".