Search a number
-
+
123470424647 is a prime number
BaseRepresentation
bin111001011111101101…
…0010010101001000111
3102210200212101110010122
41302333122102221013
54010331412042042
6132415503412155
711630466202343
oct1627732225107
9383625343118
10123470424647
11483aa921569
121bb19bb405b
13b84919a08b
145d94206623
1533299be7d2
hex1cbf692a47

123470424647 has 2 divisors, whose sum is σ = 123470424648. Its totient is φ = 123470424646.

The previous prime is 123470424643. The next prime is 123470424673. The reversal of 123470424647 is 746424074321.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 123470424647 - 22 = 123470424643 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 123470424598 and 123470424607.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (123470424643) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 61735212323 + 61735212324.

It is an arithmetic number, because the mean of its divisors is an integer number (61735212324).

Almost surely, 2123470424647 is an apocalyptic number.

123470424647 is a deficient number, since it is larger than the sum of its proper divisors (1).

123470424647 is an equidigital number, since it uses as much as digits as its factorization.

123470424647 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 903168, while the sum is 44.

Adding to 123470424647 its reverse (746424074321), we get a palindrome (869894498968).

The spelling of 123470424647 in words is "one hundred twenty-three billion, four hundred seventy million, four hundred twenty-four thousand, six hundred forty-seven".