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20023023232231 is a prime number
BaseRepresentation
bin1001000110101111110010…
…01011111110010011100111
32121220011220220201212212121
410203113321023332103213
510111024122421412411
6110330241101530411
74134421116201625
oct443277113762347
977804826655777
1020023023232231
11641a797685198
1222b4719b73a07
13b23217118586
144d3195c76515
1524aca1234571
hex1235f92fe4e7

20023023232231 has 2 divisors, whose sum is σ = 20023023232232. Its totient is φ = 20023023232230.

The previous prime is 20023023232213. The next prime is 20023023232243. The reversal of 20023023232231 is 13223232032002.

Together with previous prime (20023023232213) it forms an Ormiston pair, because they use the same digits, order apart.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 20023023232231 - 29 = 20023023231719 is a prime.

It is a super-2 number, since 2×200230232322312 (a number of 27 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 20023023232196 and 20023023232205.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (20023023232271) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10011511616115 + 10011511616116.

It is an arithmetic number, because the mean of its divisors is an integer number (10011511616116).

Almost surely, 220023023232231 is an apocalyptic number.

20023023232231 is a deficient number, since it is larger than the sum of its proper divisors (1).

20023023232231 is an equidigital number, since it uses as much as digits as its factorization.

20023023232231 is an odious number, because the sum of its binary digits is odd.

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

Adding to 20023023232231 its reverse (13223232032002), we get a palindrome (33246255264233).

The spelling of 20023023232231 in words is "twenty trillion, twenty-three billion, twenty-three million, two hundred thirty-two thousand, two hundred thirty-one".