Search a number
-
+
123233330331221 = 1145541245998771
BaseRepresentation
bin11100000001010001111110…
…111000001111111001010101
3121011022222202200020020211212
4130001101332320033321111
5112123023330031044341
61114032335503111205
734646212543424465
oct3401217670177125
9534288680206755
10123233330331221
11362a1a64316270
12119a3540ba2505
13539bb125b2b06
14226074c8c5ba5
15e3a8ad4dc5eb
hex70147ee0fe55

123233330331221 has 8 divisors (see below), whose sum is σ = 134439312893088. Its totient is φ = 112027839858000.

The previous prime is 123233330331179. The next prime is 123233330331247. The reversal of 123233330331221 is 122133033332321.

It is a happy number.

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

It is not a de Polignac number, because 123233330331221 - 214 = 123233330314837 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 (123233330331271) 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, 122498435 + ... + 123500336.

It is an arithmetic number, because the mean of its divisors is an integer number (16804914111636).

Almost surely, 2123233330331221 is an apocalyptic number.

123233330331221 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

123233330331221 is a deficient number, since it is larger than the sum of its proper divisors (11205982561867).

123233330331221 is a wasteful number, since it uses less digits than its factorization.

123233330331221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 246044323.

The product of its (nonzero) digits is 34992, while the sum is 32.

Adding to 123233330331221 its reverse (122133033332321), we get a palindrome (245366363663542).

The spelling of 123233330331221 in words is "one hundred twenty-three trillion, two hundred thirty-three billion, three hundred thirty million, three hundred thirty-one thousand, two hundred twenty-one".

Divisors: 1 11 45541 500951 245998771 2705986481 11203030030111 123233330331221