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20023001120123 = 192936339384973
BaseRepresentation
bin1001000110101111101111…
…10111100111110101111011
32121220011212101010110202122
410203113313313213311323
510111024101241320443
6110330234551551455
74134420430225061
oct443276767476573
977804771113678
1020023001120123
11641a786152021
1222b471268b58b
13b232126759a1
144d3192d5c031
1524ac9e317968
hex1235f7de7d7b

20023001120123 has 8 divisors (see below), whose sum is σ = 21803630984400. Its totient is φ = 18315050025888.

The previous prime is 20023001120107. The next prime is 20023001120131. The reversal of 20023001120123 is 32102110032002.

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 20023001120123 - 24 = 20023001120107 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20023001120153) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (31) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 18169691936 + ... + 18169693037.

It is an arithmetic number, because the mean of its divisors is an integer number (2725453873050).

Almost surely, 220023001120123 is an apocalyptic number.

20023001120123 is a deficient number, since it is larger than the sum of its proper divisors (1780629864277).

20023001120123 is a wasteful number, since it uses less digits than its factorization.

20023001120123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36339385021.

The product of its (nonzero) digits is 144, while the sum is 17.

Adding to 20023001120123 its reverse (32102110032002), we get a palindrome (52125111152125).

The spelling of 20023001120123 in words is "twenty trillion, twenty-three billion, one million, one hundred twenty thousand, one hundred twenty-three".

Divisors: 1 19 29 551 36339384973 690448314487 1053842164217 20023001120123