Search a number
-
+
623245325231 is a prime number
BaseRepresentation
bin10010001000111000101…
…00001111001110101111
32012120201001000221000202
421010130110033032233
540202401300401411
61154152010144115
763012412566344
oct11043424171657
92176631027022
10623245325231
11220353813491
12a095772203b
1346a057b3319
14222455927cb
151132a98b83b
hex911c50f3af

623245325231 has 2 divisors, whose sum is σ = 623245325232. Its totient is φ = 623245325230.

The previous prime is 623245325201. The next prime is 623245325281. The reversal of 623245325231 is 132523542326.

623245325231 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 623245325231 - 234 = 606065456047 is a prime.

It is a super-2 number, since 2×6232453252312 (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (623245325201) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 311622662615 + 311622662616.

It is an arithmetic number, because the mean of its divisors is an integer number (311622662616).

Almost surely, 2623245325231 is an apocalyptic number.

623245325231 is a deficient number, since it is larger than the sum of its proper divisors (1).

623245325231 is an equidigital number, since it uses as much as digits as its factorization.

623245325231 is an evil number, because the sum of its binary digits is even.

The product of its digits is 259200, while the sum is 38.

Adding to 623245325231 its reverse (132523542326), we get a palindrome (755768867557).

The spelling of 623245325231 in words is "six hundred twenty-three billion, two hundred forty-five million, three hundred twenty-five thousand, two hundred thirty-one".