20300312343 has 16 divisors (see below), whose sum is σ = 27266544000. Its totient is φ = 13433930400.

The previous prime is 20300312339. The next prime is 20300312353. The reversal of 20300312343 is 34321300302.

It is not a de Polignac number, because 20300312343 - 2² = 20300312339 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20300312353) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 709668 + ... + 737718.

It is an arithmetic number, because the mean of its divisors is an integer number (1704159000).

Almost surely, 2^20300312343 is an apocalyptic number.

20300312343 is a deficient number, since it is larger than the sum of its proper divisors (6966231657).

20300312343 is a wasteful number, since it uses less digits than its factorization.

20300312343 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29822.

The product of its (nonzero) digits is 1296, while the sum is 21.

Adding to 20300312343 its reverse (34321300302), we get a palindrome (54621612645).

The spelling of 20300312343 in words is "twenty billion, three hundred million, three hundred twelve thousand, three hundred forty-three".