Search a number
-
+
123444320983 is a prime number
BaseRepresentation
bin111001011110111011…
…0101101101011010111
3102210122001021020122021
41302331312231223113
54010303221232413
6132413132114011
711630031262354
oct1627566555327
9383561236567
10123444320983
1148397112495
121bb11305907
13b84395a719
145d9096d62b
15332756518d
hex1cbddadad7

123444320983 has 2 divisors, whose sum is σ = 123444320984. Its totient is φ = 123444320982.

The previous prime is 123444320971. The next prime is 123444321029. The reversal of 123444320983 is 389023444321.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-123444320983 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (123444320933) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 61722160491 + 61722160492.

It is an arithmetic number, because the mean of its divisors is an integer number (61722160492).

Almost surely, 2123444320983 is an apocalyptic number.

123444320983 is a deficient number, since it is larger than the sum of its proper divisors (1).

123444320983 is an equidigital number, since it uses as much as digits as its factorization.

123444320983 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 497664, while the sum is 43.

The spelling of 123444320983 in words is "one hundred twenty-three billion, four hundred forty-four million, three hundred twenty thousand, nine hundred eighty-three".