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23213214543 = 371291085389
BaseRepresentation
bin10101100111100111…
…011000101101001111
32012220202202110221210
4111213213120231033
5340020040331133
614355231425503
71451150032221
oct254747305517
965822673853
1023213214543
119932288732
1245ba085293
13225c2c220c
1411a2d50411
1590cdc9763
hex5679d8b4f

23213214543 has 8 divisors (see below), whose sum is σ = 30955322800. Its totient is φ = 15473291328.

The previous prime is 23213214533. The next prime is 23213214547. The reversal of 23213214543 is 34541231232.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 23213214543 - 213 = 23213206351 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 23213214543.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23213214547) 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, 521308 + ... + 564081.

It is an arithmetic number, because the mean of its divisors is an integer number (3869415350).

Almost surely, 223213214543 is an apocalyptic number.

23213214543 is a deficient number, since it is larger than the sum of its proper divisors (7742108257).

23213214543 is a wasteful number, since it uses less digits than its factorization.

23213214543 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1092521.

The product of its digits is 17280, while the sum is 30.

Adding to 23213214543 its reverse (34541231232), we get a palindrome (57754445775).

The spelling of 23213214543 in words is "twenty-three billion, two hundred thirteen million, two hundred fourteen thousand, five hundred forty-three".

Divisors: 1 3 7129 21387 1085389 3256167 7737738181 23213214543