210132321023 has 4 divisors (see below), whose sum is σ = 210496502400. Its totient is φ = 209768139648.

The previous prime is 210132321011. The next prime is 210132321029. The reversal of 210132321023 is 320123231012.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-210132321023 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 210132320986 and 210132321004.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (210132321029) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 182089823 + ... + 182090976.

It is an arithmetic number, because the mean of its divisors is an integer number (52624125600).

Almost surely, 2^210132321023 is an apocalyptic number.

210132321023 is a deficient number, since it is larger than the sum of its proper divisors (364181377).

210132321023 is an equidigital number, since it uses as much as digits as its factorization.

210132321023 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 364181376.

The product of its (nonzero) digits is 432, while the sum is 20.

Adding to 210132321023 its reverse (320123231012), we get a palindrome (530255552035).

The spelling of 210132321023 in words is "two hundred ten billion, one hundred thirty-two million, three hundred twenty-one thousand, twenty-three".