210201321023 has 8 divisors (see below), whose sum is σ = 213088912896. Its totient is φ = 207313948800.

The previous prime is 210201321019. The next prime is 210201321053. The reversal of 210201321023 is 320123102012.

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 210201321023 - 2² = 210201321019 is a prime.

It is a Duffinian number.

It is a zygodrome in base 2.

It is a junction number, because it is equal to n+sod(n) for n = 210201320992 and 210201321010.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (210201321053) 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 7 ways as a sum of consecutive naturals, for example, 3134363 + ... + 3200723.

It is an arithmetic number, because the mean of its divisors is an integer number (26636114112).

Almost surely, 2^210201321023 is an apocalyptic number.

210201321023 is a deficient number, since it is larger than the sum of its proper divisors (2887591873).

210201321023 is an equidigital number, since it uses as much as digits as its factorization.

210201321023 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 109825.

The product of its (nonzero) digits is 144, while the sum is 17.

Adding to 210201321023 its reverse (320123102012), we get a palindrome (530324423035).

The spelling of 210201321023 in words is "two hundred ten billion, two hundred one million, three hundred twenty-one thousand, twenty-three".