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1230132443 is a prime number
BaseRepresentation
bin100100101010010…
…0101010011011011
310011201201012110212
41021110211103123
510004403214233
6322022001335
742324644651
oct11124452333
93151635425
101230132443
11581417791
122a3b7624b
13167b14827
14b9534dd1
1572edda48
hex495254db

1230132443 has 2 divisors, whose sum is σ = 1230132444. Its totient is φ = 1230132442.

The previous prime is 1230132413. The next prime is 1230132479. The reversal of 1230132443 is 3442310321.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1230132443 - 214 = 1230116059 is a prime.

It is a super-2 number, since 2×12301324432 = 3026451654642296498, which contains 22 as substring.

It is a Sophie Germain prime.

It is not a weakly prime, because it can be changed into another prime (1230132403) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 615066221 + 615066222.

It is an arithmetic number, because the mean of its divisors is an integer number (615066222).

Almost surely, 21230132443 is an apocalyptic number.

1230132443 is a deficient number, since it is larger than the sum of its proper divisors (1).

1230132443 is an equidigital number, since it uses as much as digits as its factorization.

1230132443 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1728, while the sum is 23.

The square root of 1230132443 is about 35073.2439759997. The cubic root of 1230132443 is about 1071.4797249220.

Adding to 1230132443 its reverse (3442310321), we get a palindrome (4672442764).

It can be divided in two parts, 12301 and 32443, that added together give a palindrome (44744).

The spelling of 1230132443 in words is "one billion, two hundred thirty million, one hundred thirty-two thousand, four hundred forty-three".