Search a number
-
+
18423122363 is a prime number
BaseRepresentation
bin10001001010000110…
…101000100110111011
31202112221100120210022
4101022012220212323
5300212304403423
612244035241055
71221353646002
oct211206504673
952487316708
1018423122363
1178a4410568
1236a1a4918b
131977aa9549
14c6aacdc39
1572c5d7dc8
hex44a1a89bb

18423122363 has 2 divisors, whose sum is σ = 18423122364. Its totient is φ = 18423122362.

The previous prime is 18423122321. The next prime is 18423122423. The reversal of 18423122363 is 36322132481.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 18423122363 - 212 = 18423118267 is a prime.

It is a super-2 number, since 2×184231223632 (a number of 21 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (18423122563) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 9211561181 + 9211561182.

It is an arithmetic number, because the mean of its divisors is an integer number (9211561182).

Almost surely, 218423122363 is an apocalyptic number.

18423122363 is a deficient number, since it is larger than the sum of its proper divisors (1).

18423122363 is an equidigital number, since it uses as much as digits as its factorization.

18423122363 is an evil number, because the sum of its binary digits is even.

The product of its digits is 41472, while the sum is 35.

The spelling of 18423122363 in words is "eighteen billion, four hundred twenty-three million, one hundred twenty-two thousand, three hundred sixty-three".