20214353323243 has 8 divisors (see below), whose sum is σ = 20866482256256. Its totient is φ = 19562227704000.

The previous prime is 20214353323217. The next prime is 20214353323247. The reversal of 20214353323243 is 34232335341202.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-20214353323243 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20214353323247) 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, 19440343 + ... + 20453743.

It is an arithmetic number, because the mean of its divisors is an integer number (2608310282032).

Almost surely, 2^{20214353323243} is an apocalyptic number.

20214353323243 is a deficient number, since it is larger than the sum of its proper divisors (652128933013).

20214353323243 is a wasteful number, since it uses less digits than its factorization.

20214353323243 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1656885.

The product of its (nonzero) digits is 311040, while the sum is 37.

Adding to 20214353323243 its reverse (34232335341202), we get a palindrome (54446688664445).

The spelling of 20214353323243 in words is "twenty trillion, two hundred fourteen billion, three hundred fifty-three million, three hundred twenty-three thousand, two hundred forty-three".