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223033023 = 3224781447
BaseRepresentation
bin11010100101100…
…11011010111111
3120112200020210100
431102303122333
5424044024043
634044212143
75345515023
oct1522633277
9515606710
10223033023
11104995014
126283a053
1337290105
142189a383
15148a8cd3
hexd4b36bf

223033023 has 6 divisors (see below), whose sum is σ = 322158824. Its totient is φ = 148688676.

The previous prime is 223032991. The next prime is 223033051. The reversal of 223033023 is 320330322.

It is not a de Polignac number, because 223033023 - 25 = 223032991 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 223032987 and 223033005.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (223033073) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 12390715 + ... + 12390732.

Almost surely, 2223033023 is an apocalyptic number.

223033023 is a deficient number, since it is larger than the sum of its proper divisors (99125801).

223033023 is a wasteful number, since it uses less digits than its factorization.

223033023 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24781453 (or 24781450 counting only the distinct ones).

The product of its (nonzero) digits is 648, while the sum is 18.

The square root of 223033023 is about 14934.2901739587. The cubic root of 223033023 is about 606.4426315556.

Adding to 223033023 its reverse (320330322), we get a palindrome (543363345).

It can be divided in two parts, 2230 and 33023, that added together give a palindrome (35253).

The spelling of 223033023 in words is "two hundred twenty-three million, thirty-three thousand, twenty-three".

Divisors: 1 3 9 24781447 74344341 223033023