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20001123030023 = 291907633615449
BaseRepresentation
bin1001000110000110111111…
…10101010101010000000111
32121211002101122122100020022
410203003133311111100013
510110144244443430043
6110312220012325355
74133014321433612
oct443033765252007
977732348570208
1020001123030023
116411479582123
1222b042777385b
13b21136b69045
144d20b9473179
1524a41d76a868
hex1230dfd55407

20001123030023 has 8 divisors (see below), whose sum is σ = 20690931114000. Its totient is φ = 19311322558528.

The previous prime is 20001123030019. The next prime is 20001123030037. The reversal of 20001123030023 is 32003032110002.

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

It is not a de Polignac number, because 20001123030023 - 22 = 20001123030019 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 20001123029983 and 20001123030010.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20001123030073) 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, 3724403 + ... + 7339851.

It is an arithmetic number, because the mean of its divisors is an integer number (2586366389250).

Almost surely, 220001123030023 is an apocalyptic number.

20001123030023 is a deficient number, since it is larger than the sum of its proper divisors (689808083977).

20001123030023 is a wasteful number, since it uses less digits than its factorization.

20001123030023 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3806241.

The product of its (nonzero) digits is 216, while the sum is 17.

Adding to 20001123030023 its reverse (32003032110002), we get a palindrome (52004155140025).

The spelling of 20001123030023 in words is "twenty trillion, one billion, one hundred twenty-three million, thirty thousand, twenty-three".

Divisors: 1 29 190763 3615449 5532127 104848021 689693897587 20001123030023