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223230023 = 2912496163
BaseRepresentation
bin11010100111000…
…11100001000111
3120120001021000122
431103203201013
5424121330043
634052332155
75350265252
oct1523434107
9516037018
10223230023
1110500a025
126291405b
133732b993
142190c099
15148e7368
hexd4e3847

223230023 has 8 divisors (see below), whose sum is σ = 231150000. Its totient is φ = 215324928.

The previous prime is 223230013. The next prime is 223230037. The reversal of 223230023 is 320032322.

223230023 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-223230023 is a prime.

It is a super-3 number, since 3×2232300233 (a number of 26 digits) contains 333 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 223229983 and 223230010.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (223230013) 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, 33140 + ... + 39302.

It is an arithmetic number, because the mean of its divisors is an integer number (28893750).

Almost surely, 2223230023 is an apocalyptic number.

223230023 is a deficient number, since it is larger than the sum of its proper divisors (7919977).

223230023 is a wasteful number, since it uses less digits than its factorization.

223230023 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7441.

The product of its (nonzero) digits is 432, while the sum is 17.

The square root of 223230023 is about 14940.8842777126. The cubic root of 223230023 is about 606.6211313419.

Adding to 223230023 its reverse (320032322), we get a palindrome (543262345).

The spelling of 223230023 in words is "two hundred twenty-three million, two hundred thirty thousand, twenty-three".

Divisors: 1 29 1249 6163 36221 178727 7697587 223230023