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2122312423 = 711295989181
BaseRepresentation
bin111111001111111…
…1110101011100111
312110220111122022211
41332133332223213
513321302444143
6550332304251
7103410233530
oct17637765347
95426448284
102122312423
11999a98810
124b2912087
1327a90098a
14161c17687
15c64c349d
hex7e7feae7

2122312423 has 64 divisors (see below), whose sum is σ = 2830464000. Its totient is φ = 1543449600.

The previous prime is 2122312417. The next prime is 2122312433. The reversal of 2122312423 is 3242132212.

It is a de Polignac number, because none of the positive numbers 2k-2122312423 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2122312394 and 2122312403.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2122312433) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 11725393 + ... + 11725573.

It is an arithmetic number, because the mean of its divisors is an integer number (44226000).

Almost surely, 22122312423 is an apocalyptic number.

2122312423 is a deficient number, since it is larger than the sum of its proper divisors (708151577).

2122312423 is a wasteful number, since it uses less digits than its factorization.

2122312423 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 376.

The product of its digits is 1152, while the sum is 22.

The square root of 2122312423 is about 46068.5621980977. The cubic root of 2122312423 is about 1285.0985653171.

Adding to 2122312423 its reverse (3242132212), we get a palindrome (5364444635).

The spelling of 2122312423 in words is "two billion, one hundred twenty-two million, three hundred twelve thousand, four hundred twenty-three".

Divisors: 1 7 11 29 59 77 89 181 203 319 413 623 649 979 1267 1711 1991 2233 2581 4543 5249 5251 6853 10679 11977 13937 16109 18067 18821 28391 36743 36757 57739 57761 74753 112763 117469 131747 152279 177199 198737 309691 404173 404327 467161 822283 950431 1065953 1240393 1675069 2167837 3270127 3406601 5138771 6653017 10454741 11725483 23846207 27562499 35971397 73183187 192937493 303187489 2122312423