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23020223065 = 572374727697
BaseRepresentation
bin10101011100000111…
…001011101001011001
32012102022121111102021
4111130013023221121
5334121134114230
614324135134441
71443314444650
oct253407135131
965368544367
1023020223065
119843352344
124565514421
13222b31cc88
141185474197
158eaea6c7a
hex55c1cba59

23020223065 has 16 divisors (see below), whose sum is σ = 31573060992. Its totient is φ = 15784061184.

The previous prime is 23020223047. The next prime is 23020223069. The reversal of 23020223065 is 56032202032.

It is a cyclic number.

It is not a de Polignac number, because 23020223065 - 213 = 23020214873 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (23020223069) 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, 817297 + ... + 844993.

It is an arithmetic number, because the mean of its divisors is an integer number (1973316312).

Almost surely, 223020223065 is an apocalyptic number.

It is an amenable number.

23020223065 is a deficient number, since it is larger than the sum of its proper divisors (8552837927).

23020223065 is a wasteful number, since it uses less digits than its factorization.

23020223065 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 51456.

The product of its (nonzero) digits is 4320, while the sum is 25.

Adding to 23020223065 its reverse (56032202032), we get a palindrome (79052425097).

The spelling of 23020223065 in words is "twenty-three billion, twenty million, two hundred twenty-three thousand, sixty-five".

Divisors: 1 5 7 35 23747 27697 118735 138485 166229 193879 831145 969395 657720659 3288603295 4604044613 23020223065