Search a number
-
+
128324023 is a prime number
BaseRepresentation
bin1111010011000…
…01000110110111
322221110112110121
413221201012313
5230322332043
620422232411
73115510342
oct751410667
9287415417
10128324023
1166487813
1236b85707
132077c999
1413085459
15b3ebded
hex7a611b7

128324023 has 2 divisors, whose sum is σ = 128324024. Its totient is φ = 128324022.

The previous prime is 128324017. The next prime is 128324033. The reversal of 128324023 is 320423821.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 128324023 - 25 = 128323991 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (128324003) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 64162011 + 64162012.

It is an arithmetic number, because the mean of its divisors is an integer number (64162012).

Almost surely, 2128324023 is an apocalyptic number.

128324023 is a deficient number, since it is larger than the sum of its proper divisors (1).

128324023 is an equidigital number, since it uses as much as digits as its factorization.

128324023 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2304, while the sum is 25.

The square root of 128324023 is about 11328.0193767490. The cubic root of 128324023 is about 504.3933151685.

Adding to 128324023 its reverse (320423821), we get a palindrome (448747844).

The spelling of 128324023 in words is "one hundred twenty-eight million, three hundred twenty-four thousand, twenty-three".