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23315061223 = 85727205439
BaseRepresentation
bin10101101101101011…
…111001100111100111
32020011212101211100001
4111231223321213213
5340222123424343
614413310402131
71453524515266
oct255553714747
966155354301
1023315061223
119984820643
124628200347
13227743141c
1411b26a25dd
15916ce644d
hex56daf99e7

23315061223 has 4 divisors (see below), whose sum is σ = 23342267520. Its totient is φ = 23287854928.

The previous prime is 23315061163. The next prime is 23315061239. The reversal of 23315061223 is 32216051332.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 23315061223 - 229 = 22778190311 is a prime.

It is a super-3 number, since 3×233150612233 (a number of 32 digits) contains 333 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 23315061191 and 23315061200.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23315161223) 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 3 ways as a sum of consecutive naturals, for example, 13601863 + ... + 13603576.

It is an arithmetic number, because the mean of its divisors is an integer number (5835566880).

Almost surely, 223315061223 is an apocalyptic number.

23315061223 is a deficient number, since it is larger than the sum of its proper divisors (27206297).

23315061223 is an equidigital number, since it uses as much as digits as its factorization.

23315061223 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27206296.

The product of its (nonzero) digits is 6480, while the sum is 28.

The spelling of 23315061223 in words is "twenty-three billion, three hundred fifteen million, sixty-one thousand, two hundred twenty-three".

Divisors: 1 857 27205439 23315061223