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23070223 = 11317333
BaseRepresentation
bin101100000000…
…0011000001111
31121102002101201
41120000120033
521401221343
62142250331
7400044061
oct130003017
947362351
1023070223
1112028000
1278869a7
134a19a27
1430c7731
15205a94d
hex160060f

23070223 has 8 divisors (see below), whose sum is σ = 25376976. Its totient is φ = 20971720.

The previous prime is 23070221. The next prime is 23070227. The reversal of 23070223 is 32207032.

It is a happy number.

It is not a de Polignac number, because 23070223 - 21 = 23070221 is a prime.

It is a hoax number, since the sum of its digits (19) coincides with the sum of the digits of its distinct prime factors.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 23070223.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23070221) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7336 + ... + 9997.

It is an arithmetic number, because the mean of its divisors is an integer number (3172122).

Almost surely, 223070223 is an apocalyptic number.

23070223 is a deficient number, since it is larger than the sum of its proper divisors (2306753).

23070223 is an equidigital number, since it uses as much as digits as its factorization.

23070223 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17366 (or 17344 counting only the distinct ones).

The product of its (nonzero) digits is 504, while the sum is 19.

The square root of 23070223 is about 4803.1471974113. The cubic root of 23070223 is about 284.6758312756.

Adding to 23070223 its reverse (32207032), we get a palindrome (55277255).

The spelling of 23070223 in words is "twenty-three million, seventy thousand, two hundred twenty-three".

Divisors: 1 11 121 1331 17333 190663 2097293 23070223