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23154131171 is a prime number
BaseRepresentation
bin10101100100000110…
…000000000011100011
32012202122120201210202
4111210012000003203
5334404424144141
614345321215415
71446531603413
oct254406000343
965678521722
1023154131171
1199019a34a6
1245a233156b
13224cca6542
141199170643
15907b0849b
hex5641800e3

23154131171 has 2 divisors, whose sum is σ = 23154131172. Its totient is φ = 23154131170.

The previous prime is 23154131129. The next prime is 23154131191. The reversal of 23154131171 is 17113145132.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 23154131171 - 26 = 23154131107 is a prime.

It is a super-2 number, since 2×231541311712 (a number of 22 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (23154131191) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11577065585 + 11577065586.

It is an arithmetic number, because the mean of its divisors is an integer number (11577065586).

Almost surely, 223154131171 is an apocalyptic number.

23154131171 is a deficient number, since it is larger than the sum of its proper divisors (1).

23154131171 is an equidigital number, since it uses as much as digits as its factorization.

23154131171 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2520, while the sum is 29.

The spelling of 23154131171 in words is "twenty-three billion, one hundred fifty-four million, one hundred thirty-one thousand, one hundred seventy-one".