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223023139 is a prime number
BaseRepresentation
bin11010100101100…
…01000000100011
3120112122202020021
431102301000203
5424043220024
634044054311
75345444143
oct1522610043
9515582207
10223023139
11104988649
1262834397
1337288771
1421896923
15148a5de4
hexd4b1023

223023139 has 2 divisors, whose sum is σ = 223023140. Its totient is φ = 223023138.

The previous prime is 223023133. The next prime is 223023167. The reversal of 223023139 is 931320322.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 223023139 - 25 = 223023107 is a prime.

It is not a weakly prime, because it can be changed into another prime (223023133) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 111511569 + 111511570.

It is an arithmetic number, because the mean of its divisors is an integer number (111511570).

Almost surely, 2223023139 is an apocalyptic number.

223023139 is a deficient number, since it is larger than the sum of its proper divisors (1).

223023139 is an equidigital number, since it uses as much as digits as its factorization.

223023139 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1944, while the sum is 25.

The square root of 223023139 is about 14933.9592539956. The cubic root of 223023139 is about 606.4336729905.

The spelling of 223023139 in words is "two hundred twenty-three million, twenty-three thousand, one hundred thirty-nine".