Search a number
-
+
123233021089 is a prime number
BaseRepresentation
bin111001011000101000…
…0101010110010100001
3102210002022200002200021
41302301100222302201
54004340123133324
6132340143153441
711621554252603
oct1626120526241
9383068602607
10123233021089
1148298911782
121ba725a5881
13b80bc47cb9
145d70889173
153313c27ae4
hex1cb142aca1

123233021089 has 2 divisors, whose sum is σ = 123233021090. Its totient is φ = 123233021088.

The previous prime is 123233021069. The next prime is 123233021099. The reversal of 123233021089 is 980120332321.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 63109981089 + 60123040000 = 251217^2 + 245200^2 .

It is a cyclic number.

It is not a de Polignac number, because 123233021089 - 29 = 123233020577 is a prime.

It is not a weakly prime, because it can be changed into another prime (123233021069) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 61616510544 + 61616510545.

It is an arithmetic number, because the mean of its divisors is an integer number (61616510545).

Almost surely, 2123233021089 is an apocalyptic number.

It is an amenable number.

123233021089 is a deficient number, since it is larger than the sum of its proper divisors (1).

123233021089 is an equidigital number, since it uses as much as digits as its factorization.

123233021089 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 15552, while the sum is 34.

The spelling of 123233021089 in words is "one hundred twenty-three billion, two hundred thirty-three million, twenty-one thousand, eighty-nine".