Search a number
-
+
123230043187 is a prime number
BaseRepresentation
bin111001011000100010…
…1010011110000110011
3102210002010001210202121
41302301011103300303
54004333342340222
6132335555255111
711621520040636
oct1626105236063
9383063053677
10123230043187
11482971683a9
121ba715aa497
13b80b444724
145d70311c1d
15331383a5c7
hex1cb1153c33

123230043187 has 2 divisors, whose sum is σ = 123230043188. Its totient is φ = 123230043186.

The previous prime is 123230043143. The next prime is 123230043217. The reversal of 123230043187 is 781340032321.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 123230043187 - 27 = 123230043059 is a prime.

It is not a weakly prime, because it can be changed into another prime (123230043127) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 61615021593 + 61615021594.

It is an arithmetic number, because the mean of its divisors is an integer number (61615021594).

Almost surely, 2123230043187 is an apocalyptic number.

123230043187 is a deficient number, since it is larger than the sum of its proper divisors (1).

123230043187 is an equidigital number, since it uses as much as digits as its factorization.

123230043187 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 24192, while the sum is 34.

The spelling of 123230043187 in words is "one hundred twenty-three billion, two hundred thirty million, forty-three thousand, one hundred eighty-seven".