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23122310113 = 717238448049
BaseRepresentation
bin10101100010001100…
…100111001111100001
32012200102201001112001
4111202030213033201
5334323302410423
614342223204001
71445664251560
oct254214471741
965612631461
1023122310113
119895a39901
124593746601
132246514706
141194c49bd7
15904e1ecad
hex5623273e1

23122310113 has 16 divisors (see below), whose sum is σ = 29196460800. Its totient is φ = 17842277376.

The previous prime is 23122310089. The next prime is 23122310117. The reversal of 23122310113 is 31101322132.

It is not a de Polignac number, because 23122310113 - 233 = 14532375521 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (23122310117) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4221288 + ... + 4226761.

It is an arithmetic number, because the mean of its divisors is an integer number (1824778800).

Almost surely, 223122310113 is an apocalyptic number.

23122310113 is a gapful number since it is divisible by the number (23) formed by its first and last digit.

It is an amenable number.

23122310113 is a deficient number, since it is larger than the sum of its proper divisors (6074150687).

23122310113 is a wasteful number, since it uses less digits than its factorization.

23122310113 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8448096.

The product of its (nonzero) digits is 216, while the sum is 19.

Adding to 23122310113 its reverse (31101322132), we get a palindrome (54223632245).

The spelling of 23122310113 in words is "twenty-three billion, one hundred twenty-two million, three hundred ten thousand, one hundred thirteen".

Divisors: 1 7 17 23 119 161 391 2737 8448049 59136343 143616833 194305127 1005317831 1360135889 3303187159 23122310113