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20233112323 = 71284973413
BaseRepresentation
bin10010110101111111…
…001100101100000011
31221020002011121020111
4102311333030230003
5312414134043243
613143413452151
71314252421444
oct226577145403
957202147214
1020233112323
118643078836
123b08041057
131ba5a86718
14d9d2472cb
157d646639d
hex4b5fccb03

20233112323 has 4 divisors (see below), whose sum is σ = 20518085808. Its totient is φ = 19948138840.

The previous prime is 20233112303. The next prime is 20233112357. The reversal of 20233112323 is 32321133202.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 20233112323 - 221 = 20231015171 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 20233112294 and 20233112303.

It is not an unprimeable number, because it can be changed into a prime (20233112303) 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 3 ways as a sum of consecutive naturals, for example, 142486636 + ... + 142486777.

It is an arithmetic number, because the mean of its divisors is an integer number (5129521452).

Almost surely, 220233112323 is an apocalyptic number.

20233112323 is a deficient number, since it is larger than the sum of its proper divisors (284973485).

20233112323 is an equidigital number, since it uses as much as digits as its factorization.

20233112323 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 284973484.

The product of its (nonzero) digits is 1296, while the sum is 22.

Adding to 20233112323 its reverse (32321133202), we get a palindrome (52554245525).

The spelling of 20233112323 in words is "twenty billion, two hundred thirty-three million, one hundred twelve thousand, three hundred twenty-three".

Divisors: 1 71 284973413 20233112323