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20323123000321 = 541169859221159
BaseRepresentation
bin1001001111011110110001…
…00001101111010000000001
32122221212112101101122201011
410213233120201233100001
510130433223442002241
6111120151441240521
74165203635142331
oct447573041572001
978855471348634
1020323123000321
116525a96124759
122342910933141
13b4560180924b
145039043490c1
152539b754e281
hex127bd886f401

20323123000321 has 8 divisors (see below), whose sum is σ = 20360900779200. Its totient is φ = 20285346004560.

The previous prime is 20323123000319. The next prime is 20323123000343. The reversal of 20323123000321 is 12300032132302.

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

It is a cyclic number.

It is not a de Polignac number, because 20323123000321 - 21 = 20323123000319 is a prime.

It is a super-2 number, since 2×203231230003212 (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 20323123000292 and 20323123000301.

It is not an unprimeable number, because it can be changed into a prime (20323123000381) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 91783140 + ... + 92004298.

It is an arithmetic number, because the mean of its divisors is an integer number (2545112597400).

Almost surely, 220323123000321 is an apocalyptic number.

It is an amenable number.

20323123000321 is a deficient number, since it is larger than the sum of its proper divisors (37777778879).

20323123000321 is a wasteful number, since it uses less digits than its factorization.

20323123000321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 391559.

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

Adding to 20323123000321 its reverse (12300032132302), we get a palindrome (32623155132623).

The spelling of 20323123000321 in words is "twenty trillion, three hundred twenty-three billion, one hundred twenty-three million, three hundred twenty-one", and thus it is an aban number.

Divisors: 1 541 169859 221159 91893719 119647019 37565846581 20323123000321