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23021023223 = 1129101714517
BaseRepresentation
bin10101011100001010…
…001110111111110111
32012102101010011000202
4111130022032333313
5334121340220343
614324204231115
71443324316532
oct253412167767
965371104022
1023021023223
119843849530
12456583b49b
13222b540243
141185601a19
158eb0b3db8
hex55c28eff7

23021023223 has 16 divisors (see below), whose sum is σ = 26237100960. Its totient is φ = 20006448000.

The previous prime is 23021023217. The next prime is 23021023241. The reversal of 23021023223 is 32232012032.

It is not a de Polignac number, because 23021023223 - 232 = 18726055927 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 23021023195 and 23021023204.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23021020223) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 325040 + ... + 389477.

It is an arithmetic number, because the mean of its divisors is an integer number (1639818810).

Almost surely, 223021023223 is an apocalyptic number.

23021023223 is a deficient number, since it is larger than the sum of its proper divisors (3216077737).

23021023223 is a wasteful number, since it uses less digits than its factorization.

23021023223 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 714658.

The product of its (nonzero) digits is 864, while the sum is 20.

Adding to 23021023223 its reverse (32232012032), we get a palindrome (55253035255).

The spelling of 23021023223 in words is "twenty-three billion, twenty-one million, twenty-three thousand, two hundred twenty-three".

Divisors: 1 11 29 101 319 1111 2929 32219 714517 7859687 20720993 72166217 227930923 793828387 2092820293 23021023223