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23102223233 = 86292677277
BaseRepresentation
bin10101100000111111…
…111111001110000001
32012122000220112111112
4111200333333032001
5334303132120413
614340224453105
71445331441335
oct254077771601
965560815445
1023102223233
11988566a281
124588a7a195
13224230089b
1411922db7c5
159032a32a8
hex560fff381

23102223233 has 4 divisors (see below), whose sum is σ = 23104909140. Its totient is φ = 23099537328.

The previous prime is 23102223229. The next prime is 23102223241. The reversal of 23102223233 is 33232220132.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 10022412544 + 13079810689 = 100112^2 + 114367^2 .

It is a cyclic number.

It is not a de Polignac number, because 23102223233 - 22 = 23102223229 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 23102223199 and 23102223208.

It is not an unprimeable number, because it can be changed into a prime (23102223733) 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, 1330010 + ... + 1347267.

It is an arithmetic number, because the mean of its divisors is an integer number (5776227285).

Almost surely, 223102223233 is an apocalyptic number.

It is an amenable number.

23102223233 is a deficient number, since it is larger than the sum of its proper divisors (2685907).

23102223233 is an equidigital number, since it uses as much as digits as its factorization.

23102223233 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2685906.

The product of its (nonzero) digits is 2592, while the sum is 23.

Adding to 23102223233 its reverse (33232220132), we get a palindrome (56334443365).

The spelling of 23102223233 in words is "twenty-three billion, one hundred two million, two hundred twenty-three thousand, two hundred thirty-three".

Divisors: 1 8629 2677277 23102223233