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312223000123 is a prime number
BaseRepresentation
bin1001000101100011111…
…00001110011000111011
31002211220100122202202101
410202301330032120323
520103413042000443
6355233330244231
731362114466246
oct4426174163073
91084810582671
10312223000123
1111045a8201a1
1250616a26677
132359a241568
141117c60c25d
1581c57cd84d
hex48b1f0e63b

312223000123 has 2 divisors, whose sum is σ = 312223000124. Its totient is φ = 312223000122.

The previous prime is 312223000109. The next prime is 312223000151. The reversal of 312223000123 is 321000322213.

It is a weak prime.

It is an emirp because it is prime and its reverse (321000322213) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 312223000123 - 25 = 312223000091 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 312223000123.

It is not a weakly prime, because it can be changed into another prime (312223000153) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 156111500061 + 156111500062.

It is an arithmetic number, because the mean of its divisors is an integer number (156111500062).

Almost surely, 2312223000123 is an apocalyptic number.

312223000123 is a deficient number, since it is larger than the sum of its proper divisors (1).

312223000123 is an equidigital number, since it uses as much as digits as its factorization.

312223000123 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 432, while the sum is 19.

Adding to 312223000123 its reverse (321000322213), we get a palindrome (633223322336).

The spelling of 312223000123 in words is "three hundred twelve billion, two hundred twenty-three million, one hundred twenty-three", and thus it is an aban number.