210505362023243 has 8 divisors (see below), whose sum is σ = 240577773642240. Its totient is φ = 180433004665320.

The previous prime is 210505362023227. The next prime is 210505362023291. The reversal of 210505362023243 is 342320263505012.

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 210505362023243 - 2⁴ = 210505362023227 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 210505362023197 and 210505362023206.

It is not an unprimeable number, because it can be changed into a prime (210505362028243) 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, 4881473 + ... + 21091218.

It is an arithmetic number, because the mean of its divisors is an integer number (30072221705280).

Almost surely, 2^{210505362023243} is an apocalyptic number.

210505362023243 is a deficient number, since it is larger than the sum of its proper divisors (30072411618997).

210505362023243 is a wasteful number, since it uses less digits than its factorization.

210505362023243 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27130537.

The product of its (nonzero) digits is 259200, while the sum is 38.

The spelling of 210505362023243 in words is "two hundred ten trillion, five hundred five billion, three hundred sixty-two million, twenty-three thousand, two hundred forty-three".