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30320123223 = 313777439057
BaseRepresentation
bin11100001111001110…
…000101110101010111
32220021001122211212210
4130033032011311113
5444043422420343
621532345244503
72122234536465
oct341716056527
986231584783
1030320123223
1111949a12385
125a62193733
132b227ba420
141678b79835
15bc6cb0333
hex70f385d57

30320123223 has 8 divisors (see below), whose sum is σ = 43536587248. Its totient is φ = 18658537344.

The previous prime is 30320123209. The next prime is 30320123243. The reversal of 30320123223 is 32232102303.

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

It is not a de Polignac number, because 30320123223 - 210 = 30320122199 is a prime.

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 30320123223.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30320123243) 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, 388719490 + ... + 388719567.

It is an arithmetic number, because the mean of its divisors is an integer number (5442073406).

Almost surely, 230320123223 is an apocalyptic number.

30320123223 is a deficient number, since it is larger than the sum of its proper divisors (13216464025).

30320123223 is a wasteful number, since it uses less digits than its factorization.

30320123223 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 777439073.

The product of its (nonzero) digits is 1296, while the sum is 21.

Adding to 30320123223 its reverse (32232102303), we get a palindrome (62552225526).

The spelling of 30320123223 in words is "thirty billion, three hundred twenty million, one hundred twenty-three thousand, two hundred twenty-three".

Divisors: 1 3 13 39 777439057 2332317171 10106707741 30320123223