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230023811 is a prime number
BaseRepresentation
bin11011011010111…
…10001010000011
3121000211102100102
431231132022003
5432341230221
634454113015
75462112233
oct1555361203
9530742312
10230023811
1110892a326
126504b76b
133886a084
1422799cc3
15152da30b
hexdb5e283

230023811 has 2 divisors, whose sum is σ = 230023812. Its totient is φ = 230023810.

The previous prime is 230023789. The next prime is 230023837. The reversal of 230023811 is 118320032.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 230023811 - 210 = 230022787 is a prime.

It is not a weakly prime, because it can be changed into another prime (230023111) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 115011905 + 115011906.

It is an arithmetic number, because the mean of its divisors is an integer number (115011906).

Almost surely, 2230023811 is an apocalyptic number.

230023811 is a deficient number, since it is larger than the sum of its proper divisors (1).

230023811 is an equidigital number, since it uses as much as digits as its factorization.

230023811 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 288, while the sum is 20.

The square root of 230023811 is about 15166.5358932091. The cubic root of 230023811 is about 612.7137100146.

Adding to 230023811 its reverse (118320032), we get a palindrome (348343843).

The spelling of 230023811 in words is "two hundred thirty million, twenty-three thousand, eight hundred eleven".