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1230424243 is a prime number
BaseRepresentation
bin100100101010110…
…1100100010110011
310011202021000202021
41021111230202303
510004442033433
6322032132311
742330301456
oct11125544263
93152230667
101230424243
115815a6a44
122a4097097
13167bb75a9
14b95ad49d
157304a22d
hex4956c8b3

1230424243 has 2 divisors, whose sum is σ = 1230424244. Its totient is φ = 1230424242.

The previous prime is 1230424219. The next prime is 1230424277. The reversal of 1230424243 is 3424240321.

It is a happy number.

It is a weak prime.

It is an emirp because it is prime and its reverse (3424240321) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1230424243 - 29 = 1230423731 is a prime.

It is not a weakly prime, because it can be changed into another prime (1230424843) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 615212121 + 615212122.

It is an arithmetic number, because the mean of its divisors is an integer number (615212122).

Almost surely, 21230424243 is an apocalyptic number.

1230424243 is a deficient number, since it is larger than the sum of its proper divisors (1).

1230424243 is an equidigital number, since it uses as much as digits as its factorization.

1230424243 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4608, while the sum is 25.

The square root of 1230424243 is about 35077.4035954772. The cubic root of 1230424243 is about 1071.5644402079.

Adding to 1230424243 its reverse (3424240321), we get a palindrome (4654664564).

The spelling of 1230424243 in words is "one billion, two hundred thirty million, four hundred twenty-four thousand, two hundred forty-three".