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23231121303 = 3132543234239
BaseRepresentation
bin10101101000101011…
…101100011110010111
32012222000110020102010
4111220223230132113
5340034131340203
614401111315303
71451455162425
oct255053543627
965860406363
1023231121303
1199413a9305
12460407bb33
132262c21930
1411a5492115
1590e765303
hex568aec797

23231121303 has 16 divisors (see below), whose sum is σ = 33370767360. Its totient is φ = 14290391904.

The previous prime is 23231121293. The next prime is 23231121313. The reversal of 23231121303 is 30312113232.

It is an interprime number because it is at equal distance from previous prime (23231121293) and next prime (23231121313).

It is not a de Polignac number, because 23231121303 - 25 = 23231121271 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 23231121303.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23231121313) 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, 17943 + ... + 216296.

It is an arithmetic number, because the mean of its divisors is an integer number (2085672960).

Almost surely, 223231121303 is an apocalyptic number.

23231121303 is a deficient number, since it is larger than the sum of its proper divisors (10139646057).

23231121303 is a wasteful number, since it uses less digits than its factorization.

23231121303 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 236798.

The product of its (nonzero) digits is 648, while the sum is 21.

Adding to 23231121303 its reverse (30312113232), we get a palindrome (53543234535).

The spelling of 23231121303 in words is "twenty-three billion, two hundred thirty-one million, one hundred twenty-one thousand, three hundred three".

Divisors: 1 3 13 39 2543 7629 33059 99177 234239 702717 3045107 9135321 595669777 1787009331 7743707101 23231121303