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23121041093 is a prime number
BaseRepresentation
bin10101100010000111…
…110001011011000101
32012200100022120202022
4111202013301123011
5334322441303333
614342140052525
71445650415033
oct254207613305
965610276668
1023121041093
119895252427
124593234145
13224618bc07
1411949d9553
15904c6dc98
hex5621f16c5

23121041093 has 2 divisors, whose sum is σ = 23121041094. Its totient is φ = 23121041092.

The previous prime is 23121041089. The next prime is 23121041101. The reversal of 23121041093 is 39014012132.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 21819130369 + 1301910724 = 147713^2 + 36082^2 .

It is a cyclic number.

It is not a de Polignac number, because 23121041093 - 22 = 23121041089 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (23121041003) 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 as a sum of consecutive naturals, namely, 11560520546 + 11560520547.

It is an arithmetic number, because the mean of its divisors is an integer number (11560520547).

Almost surely, 223121041093 is an apocalyptic number.

It is an amenable number.

23121041093 is a deficient number, since it is larger than the sum of its proper divisors (1).

23121041093 is an equidigital number, since it uses as much as digits as its factorization.

23121041093 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1296, while the sum is 26.

The spelling of 23121041093 in words is "twenty-three billion, one hundred twenty-one million, forty-one thousand, ninety-three".