Search a number
-
+
168758422423 is a prime number
BaseRepresentation
bin1001110100101011001…
…0010010101110010111
3121010121001202002212121
42131022302102232113
510231104124004143
6205305422400411
715122663631313
oct2351262225627
9533531662777
10168758422423
116562a8035a8
1228858a30107
1312bb5965cb6
14824cc02b43
1545ca84a7ed
hex274ac92b97

168758422423 has 2 divisors, whose sum is σ = 168758422424. Its totient is φ = 168758422422.

The previous prime is 168758422411. The next prime is 168758422433. The reversal of 168758422423 is 324224857861.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 168758422423 - 225 = 168724867991 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (168758422433) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 84379211211 + 84379211212.

It is an arithmetic number, because the mean of its divisors is an integer number (84379211212).

Almost surely, 2168758422423 is an apocalyptic number.

168758422423 is a deficient number, since it is larger than the sum of its proper divisors (1).

168758422423 is an equidigital number, since it uses as much as digits as its factorization.

168758422423 is an evil number, because the sum of its binary digits is even.

The product of its digits is 5160960, while the sum is 52.

The spelling of 168758422423 in words is "one hundred sixty-eight billion, seven hundred fifty-eight million, four hundred twenty-two thousand, four hundred twenty-three".