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101223230123 = 2415477611009
BaseRepresentation
bin101111001000101011…
…1111110101010101011
3100200021102100212112002
41132101113332222223
53124301121330443
6114300141041215
710212256155041
oct1362127765253
9320242325462
10101223230123
1139a23968a94
121774b55620b
139712078652
144c836ba391
1529768132b8
hex17915feaab

101223230123 has 16 divisors (see below), whose sum is σ = 102063925920. Its totient is φ = 100387123200.

The previous prime is 101223230117. The next prime is 101223230183. The reversal of 101223230123 is 321032322101.

It is a cyclic number.

It is not a de Polignac number, because 101223230123 - 24 = 101223230107 is a prime.

It is a super-2 number, since 2×1012232301232 (a number of 23 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 = 101223230095 and 101223230104.

It is not an unprimeable number, because it can be changed into a prime (101223230183) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 100319843 + ... + 100320851.

It is an arithmetic number, because the mean of its divisors is an integer number (6378995370).

Almost surely, 2101223230123 is an apocalyptic number.

101223230123 is a deficient number, since it is larger than the sum of its proper divisors (840695797).

101223230123 is a wasteful number, since it uses less digits than its factorization.

101223230123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2558.

The product of its (nonzero) digits is 432, while the sum is 20.

Adding to 101223230123 its reverse (321032322101), we get a palindrome (422255552224).

The spelling of 101223230123 in words is "one hundred one billion, two hundred twenty-three million, two hundred thirty thousand, one hundred twenty-three".

Divisors: 1 241 547 761 1009 131827 183401 243169 416267 551923 767849 100320347 133013443 185051609 420013403 101223230123