Search a number
-
+
123113003203 = 182876732269
BaseRepresentation
bin111001010101000011…
…0110101100011000011
3102202202221211120002101
41302222012311203003
54004113412100303
6132320214531231
711615566155331
oct1625206654303
9382687746071
10123113003203
1148237098543
121ba3a366b17
13b7c0115bb8
145d5c966b51
15330841bd1d
hex1caa1b58c3

123113003203 has 4 divisors (see below), whose sum is σ = 123119753760. Its totient is φ = 123106252648.

The previous prime is 123113003191. The next prime is 123113003207. The reversal of 123113003203 is 302300311321.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 302300311321 = 381677920463.

It is a cyclic number.

It is not a de Polignac number, because 123113003203 - 225 = 123079448771 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (123113003207) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3347848 + ... + 3384421.

It is an arithmetic number, because the mean of its divisors is an integer number (30779938440).

Almost surely, 2123113003203 is an apocalyptic number.

123113003203 is a deficient number, since it is larger than the sum of its proper divisors (6750557).

123113003203 is an equidigital number, since it uses as much as digits as its factorization.

123113003203 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6750556.

The product of its (nonzero) digits is 324, while the sum is 19.

Adding to 123113003203 its reverse (302300311321), we get a palindrome (425413314524).

The spelling of 123113003203 in words is "one hundred twenty-three billion, one hundred thirteen million, three thousand, two hundred three".

Divisors: 1 18287 6732269 123113003203