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23121223020233 = 1367831339723873
BaseRepresentation
bin1010100000111010101000…
…10010001110111011001001
310000212100220210020020221222
411100131110102032323021
511012304231043121413
6121101424311411425
74604311313655032
oct520352422167311
9100770823206858
1023121223020233
117404723698058
12271506a983b75
13cb94254c24c0
1459d104a9da89
152a1681b16b08
hex15075448eec9

23121223020233 has 32 divisors (see below), whose sum is σ = 25578872516736. Its totient is φ = 20768397078528.

The previous prime is 23121223020199. The next prime is 23121223020251. The reversal of 23121223020233 is 33202032212132.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-23121223020233 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (23121223020253) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 968497385 + ... + 968521257.

It is an arithmetic number, because the mean of its divisors is an integer number (799339766148).

Almost surely, 223121223020233 is an apocalyptic number.

It is an amenable number.

23121223020233 is a deficient number, since it is larger than the sum of its proper divisors (2457649496503).

23121223020233 is a wasteful number, since it uses less digits than its factorization.

23121223020233 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37433.

The product of its (nonzero) digits is 5184, while the sum is 26.

Adding to 23121223020233 its reverse (33202032212132), we get a palindrome (56323255232365).

The spelling of 23121223020233 in words is "twenty-three trillion, one hundred twenty-one billion, two hundred twenty-three million, twenty thousand, two hundred thirty-three".

Divisors: 1 13 67 83 871 1079 5561 13397 23873 72293 174161 310349 897599 1111951 1599491 1981459 11668787 14455363 20793383 25758967 74500717 132757753 319826581 968509321 1725850789 4157745553 21428380927 26545606223 278568952051 345092880899 1778555616941 23121223020233