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231230141123 is a prime number
BaseRepresentation
bin1101011101011001100…
…0111111001011000011
3211002211211022020020212
43113112120333023003
512242024404003443
6254120424224335
722464045525062
oct3272630771303
9732754266225
10231230141123
118a078428493
123899260b0ab
1318a604cca17
14b297a641d9
15603508e618
hex35d663f2c3

231230141123 has 2 divisors, whose sum is σ = 231230141124. Its totient is φ = 231230141122.

The previous prime is 231230141083. The next prime is 231230141143. The reversal of 231230141123 is 321141032132.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-231230141123 is a prime.

It is a super-2 number, since 2×2312301411232 (a number of 24 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (231230141143) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 115615070561 + 115615070562.

It is an arithmetic number, because the mean of its divisors is an integer number (115615070562).

Almost surely, 2231230141123 is an apocalyptic number.

231230141123 is a deficient number, since it is larger than the sum of its proper divisors (1).

231230141123 is an equidigital number, since it uses as much as digits as its factorization.

231230141123 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 864, while the sum is 23.

Adding to 231230141123 its reverse (321141032132), we get a palindrome (552371173255).

The spelling of 231230141123 in words is "two hundred thirty-one billion, two hundred thirty million, one hundred forty-one thousand, one hundred twenty-three".