Search a number
-
+
231223123112330 = 2523122312311233
BaseRepresentation
bin110100100100101111010100…
…000111011111000110001010
31010022200201022000020201222202
4310210233110013133012022
5220301324424004043310
62135434234125520202
766463214353642526
oct6444572407370612
91108621260221882
10231223123112330
11677471a3027a88
1221b24710113062
139c0332971b6cb
14411538a4b2d86
151bae99da813a5
hexd24bd41df18a

231223123112330 has 8 divisors (see below), whose sum is σ = 416201621602212. Its totient is φ = 92489249244928.

The previous prime is 231223123112329. The next prime is 231223123112341. The reversal of 231223123112330 is 33211321322132.

231223123112330 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 222755296650121 + 8467826462209 = 14924989^2 + 2909953^2 .

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

It is a junction number, because it is equal to n+sod(n) for n = 231223123112293 and 231223123112302.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11561156155607 + ... + 11561156155626.

Almost surely, 2231223123112330 is an apocalyptic number.

231223123112330 is a deficient number, since it is larger than the sum of its proper divisors (184978498489882).

231223123112330 is a wasteful number, since it uses less digits than its factorization.

231223123112330 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23122312311240.

The product of its (nonzero) digits is 7776, while the sum is 29.

Adding to 231223123112330 its reverse (33211321322132), we get a palindrome (264434444434462).

The spelling of 231223123112330 in words is "two hundred thirty-one trillion, two hundred twenty-three billion, one hundred twenty-three million, one hundred twelve thousand, three hundred thirty".

Divisors: 1 2 5 10 23122312311233 46244624622466 115611561556165 231223123112330