Search a number
-
+
23231065087 is a prime number
BaseRepresentation
bin10101101000101011…
…011110101111111111
32012222000100101022001
4111220223132233333
5340034123040322
614401110203131
71451454536506
oct255053365777
965860311261
1023231065087
11994137004a
1246040534a7
132262c02179
1411a547983d
1590e753827
hex568adebff

23231065087 has 2 divisors, whose sum is σ = 23231065088. Its totient is φ = 23231065086.

The previous prime is 23231065079. The next prime is 23231065159. The reversal of 23231065087 is 78056013232.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 23231065087 - 23 = 23231065079 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (23231065057) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11615532543 + 11615532544.

It is an arithmetic number, because the mean of its divisors is an integer number (11615532544).

Almost surely, 223231065087 is an apocalyptic number.

23231065087 is a deficient number, since it is larger than the sum of its proper divisors (1).

23231065087 is an equidigital number, since it uses as much as digits as its factorization.

23231065087 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 60480, while the sum is 37.

The spelling of 23231065087 in words is "twenty-three billion, two hundred thirty-one million, sixty-five thousand, eighty-seven".