210021210012323 has 8 divisors (see below), whose sum is σ = 216805365582720. Its totient is φ = 203237634306240.

The previous prime is 210021210012293. The next prime is 210021210012389. The reversal of 210021210012323 is 323210012120012.

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 210021210012323 - 2⁶ = 210021210012259 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 210021210012295 and 210021210012304.

It is not an unprimeable number, because it can be changed into a prime (210021210012023) 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, 144229940 + ... + 145678817.

It is an arithmetic number, because the mean of its divisors is an integer number (27100670697840).

Almost surely, 2^{210021210012323} is an apocalyptic number.

210021210012323 is a deficient number, since it is larger than the sum of its proper divisors (6784155570397).

210021210012323 is a wasteful number, since it uses less digits than its factorization.

210021210012323 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 289932157.

The product of its (nonzero) digits is 288, while the sum is 20.

Adding to 210021210012323 its reverse (323210012120012), we get a palindrome (533231222132335).

The spelling of 210021210012323 in words is "two hundred ten trillion, twenty-one billion, two hundred ten million, twelve thousand, three hundred twenty-three".