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20223312343 = 135329351687
BaseRepresentation
bin10010110101011001…
…110100000111010111
31221012101201201012021
4102311121310013113
5312404131443333
613142423434011
71314103214203
oct226531640727
957171651167
1020223312343
118638594983
123b048b5907
131ba3a34c10
14d9bc15b03
157d567c82d
hex4b56741d7

20223312343 has 8 divisors (see below), whose sum is σ = 22189876128. Its totient is φ = 18315452064.

The previous prime is 20223312337. The next prime is 20223312349. The reversal of 20223312343 is 34321332202.

It is an interprime number because it is at equal distance from previous prime (20223312337) and next prime (20223312349).

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

It is not a de Polignac number, because 20223312343 - 225 = 20189757911 is a prime.

It is a super-2 number, since 2×202233123432 (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20223312349) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 14675155 + ... + 14676532.

It is an arithmetic number, because the mean of its divisors is an integer number (2773734516).

Almost surely, 220223312343 is an apocalyptic number.

20223312343 is a deficient number, since it is larger than the sum of its proper divisors (1966563785).

20223312343 is a wasteful number, since it uses less digits than its factorization.

20223312343 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29351753.

The product of its (nonzero) digits is 5184, while the sum is 25.

Adding to 20223312343 its reverse (34321332202), we get a palindrome (54544644545).

The spelling of 20223312343 in words is "twenty billion, two hundred twenty-three million, three hundred twelve thousand, three hundred forty-three".

Divisors: 1 13 53 689 29351687 381571931 1555639411 20223312343