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100423223 is a prime number
BaseRepresentation
bin1011111110001…
…01011000110111
320222222000202122
411333011120313
5201202020343
613544230155
72326404035
oct577053067
9228860678
10100423223
11517604aa
122976b35b
1317a61334
14d4a1555
158c3a068
hex5fc5637

100423223 has 2 divisors, whose sum is σ = 100423224. Its totient is φ = 100423222.

The previous prime is 100423187. The next prime is 100423231. The reversal of 100423223 is 322324001.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 100423223 - 220 = 99374647 is a prime.

It is a Sophie Germain prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (100423423) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 50211611 + 50211612.

It is an arithmetic number, because the mean of its divisors is an integer number (50211612).

Almost surely, 2100423223 is an apocalyptic number.

100423223 is a deficient number, since it is larger than the sum of its proper divisors (1).

100423223 is an equidigital number, since it uses as much as digits as its factorization.

100423223 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 17.

The square root of 100423223 is about 10021.1388075408. The cubic root of 100423223 is about 464.8127708100.

Adding to 100423223 its reverse (322324001), we get a palindrome (422747224).

The spelling of 100423223 in words is "one hundred million, four hundred twenty-three thousand, two hundred twenty-three".