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30230011223 = 120121251663
BaseRepresentation
bin11100001001110110…
…010101110101010111
32220000210002200110022
4130021312111311113
5443402340324343
621515410015355
72120061566336
oct341166256527
986023080408
1030230011223
1111903064955
125a37b7755b
132b09c29509
14166abddd1d
15bbde10568
hex709d95d57

30230011223 has 4 divisors (see below), whose sum is σ = 30230383008. Its totient is φ = 30229639440.

The previous prime is 30230011193. The next prime is 30230011267. The reversal of 30230011223 is 32211003203.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-30230011223 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30230019223) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5711 + ... + 245952.

It is an arithmetic number, because the mean of its divisors is an integer number (7557595752).

Almost surely, 230230011223 is an apocalyptic number.

30230011223 is a deficient number, since it is larger than the sum of its proper divisors (371785).

30230011223 is a wasteful number, since it uses less digits than its factorization.

30230011223 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 371784.

The product of its (nonzero) digits is 216, while the sum is 17.

Adding to 30230011223 its reverse (32211003203), we get a palindrome (62441014426).

The spelling of 30230011223 in words is "thirty billion, two hundred thirty million, eleven thousand, two hundred twenty-three".

Divisors: 1 120121 251663 30230011223