Search a number
-
+
23859695369 is a prime number
BaseRepresentation
bin10110001110001001…
…100000111100001001
32021120211020002221002
4112032021200330021
5342331040222434
614543324024345
71503160031036
oct261611407411
967524202832
1023859695369
11a1341a3304
12475a6920b5
132333213453
141224b5638d
15949a2957e
hex58e260f09

23859695369 has 2 divisors, whose sum is σ = 23859695370. Its totient is φ = 23859695368.

The previous prime is 23859695323. The next prime is 23859695399. The reversal of 23859695369 is 96359695832.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 17946085369 + 5913610000 = 133963^2 + 76900^2 .

It is a cyclic number.

It is not a de Polignac number, because 23859695369 - 224 = 23842918153 is a prime.

It is a super-2 number, since 2×238596953692 (a number of 22 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (23859695399) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11929847684 + 11929847685.

It is an arithmetic number, because the mean of its divisors is an integer number (11929847685).

Almost surely, 223859695369 is an apocalyptic number.

It is an amenable number.

23859695369 is a deficient number, since it is larger than the sum of its proper divisors (1).

23859695369 is an equidigital number, since it uses as much as digits as its factorization.

23859695369 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 94478400, while the sum is 65.

The spelling of 23859695369 in words is "twenty-three billion, eight hundred fifty-nine million, six hundred ninety-five thousand, three hundred sixty-nine".