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101023823 = 3126312391
BaseRepresentation
bin1100000010110…
…00000001001111
321001002112122002
412001120001033
5201330230243
614005142515
72334455045
oct601300117
9231075562
10101023823
115203076a
12299baa3b
1317c11814
14d5ba395
158d07eb8
hex605804f

101023823 has 8 divisors (see below), whose sum is σ = 104687616. Its totient is φ = 97385400.

The previous prime is 101023807. The next prime is 101023829. The reversal of 101023823 is 328320101.

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 101023823 - 24 = 101023807 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 101023795 and 101023804.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (101023829) 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, 1958 + ... + 14348.

It is an arithmetic number, because the mean of its divisors is an integer number (13085952).

Almost surely, 2101023823 is an apocalyptic number.

101023823 is a deficient number, since it is larger than the sum of its proper divisors (3663793).

101023823 is a wasteful number, since it uses less digits than its factorization.

101023823 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12685.

The product of its (nonzero) digits is 288, while the sum is 20.

The square root of 101023823 is about 10051.0607897873. The cubic root of 101023823 is about 465.7375630628.

Adding to 101023823 its reverse (328320101), we get a palindrome (429343924).

The spelling of 101023823 in words is "one hundred one million, twenty-three thousand, eight hundred twenty-three".

Divisors: 1 31 263 8153 12391 384121 3258833 101023823