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349212023 is a prime number
BaseRepresentation
bin10100110100001…
…000110101110111
3220100002210211122
4110310020311313
51203344241043
654352454155
711440152566
oct2464106567
9810083748
10349212023
1116a137186
1298b4a35b
135746b644
1434543bdd
15209d0368
hex14d08d77

349212023 has 2 divisors, whose sum is σ = 349212024. Its totient is φ = 349212022.

The previous prime is 349211981. The next prime is 349212037. The reversal of 349212023 is 320212943.

It is a strong prime.

It is an emirp because it is prime and its reverse (320212943) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 349212023 - 210 = 349210999 is a prime.

It is a Sophie Germain prime.

It is a junction number, because it is equal to n+sod(n) for n = 349211983 and 349212001.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (349212223) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 174606011 + 174606012.

It is an arithmetic number, because the mean of its divisors is an integer number (174606012).

Almost surely, 2349212023 is an apocalyptic number.

349212023 is a deficient number, since it is larger than the sum of its proper divisors (1).

349212023 is an equidigital number, since it uses as much as digits as its factorization.

349212023 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2592, while the sum is 26.

The square root of 349212023 is about 18687.2154961621. The cubic root of 349212023 is about 704.2006082648.

Adding to 349212023 its reverse (320212943), we get a palindrome (669424966).

The spelling of 349212023 in words is "three hundred forty-nine million, two hundred twelve thousand, twenty-three".