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312212123023 is a prime number
BaseRepresentation
bin1001000101100010100…
…10101110110110001111
31002211212121012011011211
410202301102232312033
520103402300414043
6355232301155251
731361623154503
oct4426122566617
91084777164154
10312212123023
11110454671059
125061325bb27
1323597c036c8
141117adba303
1581c4880a9d
hex48b14aed8f

312212123023 has 2 divisors, whose sum is σ = 312212123024. Its totient is φ = 312212123022.

The previous prime is 312212122991. The next prime is 312212123081. The reversal of 312212123023 is 320321212213.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 312212123023 - 25 = 312212122991 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 312212122985 and 312212123003.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (312212123123) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 156106061511 + 156106061512.

It is an arithmetic number, because the mean of its divisors is an integer number (156106061512).

Almost surely, 2312212123023 is an apocalyptic number.

312212123023 is a deficient number, since it is larger than the sum of its proper divisors (1).

312212123023 is an equidigital number, since it uses as much as digits as its factorization.

312212123023 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 22.

Adding to 312212123023 its reverse (320321212213), we get a palindrome (632533335236).

The spelling of 312212123023 in words is "three hundred twelve billion, two hundred twelve million, one hundred twenty-three thousand, twenty-three".