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23391160409 is a prime number
BaseRepresentation
bin10101110010001110…
…001100100001011001
32020101011121001210102
4111302032030201121
5340401114113114
614425025425145
71455440403641
oct256216144131
966334531712
1023391160409
119a13778031
12464979b1b5
13228a127126
1411bc831521
1591d8292de
hex57238c859

23391160409 has 2 divisors, whose sum is σ = 23391160410. Its totient is φ = 23391160408.

The previous prime is 23391160393. The next prime is 23391160417. The reversal of 23391160409 is 90406119332.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 23309655625 + 81504784 = 152675^2 + 9028^2 .

It is a cyclic number.

It is not a de Polignac number, because 23391160409 - 24 = 23391160393 is a prime.

It is not a weakly prime, because it can be changed into another prime (23391160439) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11695580204 + 11695580205.

It is an arithmetic number, because the mean of its divisors is an integer number (11695580205).

Almost surely, 223391160409 is an apocalyptic number.

It is an amenable number.

23391160409 is a deficient number, since it is larger than the sum of its proper divisors (1).

23391160409 is an equidigital number, since it uses as much as digits as its factorization.

23391160409 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 34992, while the sum is 38.

The spelling of 23391160409 in words is "twenty-three billion, three hundred ninety-one million, one hundred sixty thousand, four hundred nine".