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23123304105 = 35113710137501
BaseRepresentation
bin10101100010010000…
…011001111010101001
32012200111120120000120
4111202100121322221
5334324031212410
614342300353453
71446005561526
oct254220317251
965614516016
1023123304105
119896558690
124593b45889
1322467a1c85
14119502814d
15905069570
hex562419ea9

23123304105 has 64 divisors (see below), whose sum is σ = 41863032576. Its totient is φ = 10800000000.

The previous prime is 23123304101. The next prime is 23123304157. The reversal of 23123304105 is 50140332132.

It is not a de Polignac number, because 23123304105 - 22 = 23123304101 is a prime.

It is not an unprimeable number, because it can be changed into a prime (23123304101) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 597855 + ... + 635355.

It is an arithmetic number, because the mean of its divisors is an integer number (654109884).

Almost surely, 223123304105 is an apocalyptic number.

It is an amenable number.

23123304105 is a deficient number, since it is larger than the sum of its proper divisors (18739728471).

23123304105 is a wasteful number, since it uses less digits than its factorization.

23123304105 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37658.

The product of its (nonzero) digits is 2160, while the sum is 24.

Adding to 23123304105 its reverse (50140332132), we get a palindrome (73263636237).

The spelling of 23123304105 in words is "twenty-three billion, one hundred twenty-three million, three hundred four thousand, one hundred five".

Divisors: 1 3 5 11 15 33 37 55 101 111 165 185 303 407 505 555 1111 1221 1515 2035 3333 3737 5555 6105 11211 16665 18685 37501 41107 56055 112503 123321 187505 205535 412511 562515 616605 1237533 1387537 2062555 3787601 4162611 6187665 6937685 11362803 15262907 18938005 20813055 41663611 45788721 56814015 76314535 124990833 140141237 208318055 228943605 420423711 624954165 700706185 1541553607 2102118555 4624660821 7707768035 23123304105