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23023303210213 = 72431317865323
BaseRepresentation
bin1010011110000100001111…
…10011110011010011100101
310000112000011120211111220121
411033002013303303103211
511004203211110211323
6120544432014201541
74564243626215245
oct517020763632345
9100460146744817
1023023303210213
11737714549a529
1226ba0a17b32b1
13cb011b955b07
1459849600db25
1529dd5032ea5d
hex14f087cf34e5

23023303210213 has 4 divisors (see below), whose sum is σ = 23023621147968. Its totient is φ = 23022985272460.

The previous prime is 23023303210183. The next prime is 23023303210247. The reversal of 23023303210213 is 31201230332032.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 23023303210213 - 221 = 23023301113061 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 (23023303210613) 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, 158860231 + ... + 159005092.

It is an arithmetic number, because the mean of its divisors is an integer number (5755905286992).

Almost surely, 223023303210213 is an apocalyptic number.

It is an amenable number.

23023303210213 is a deficient number, since it is larger than the sum of its proper divisors (317937755).

23023303210213 is an equidigital number, since it uses as much as digits as its factorization.

23023303210213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 317937754.

The product of its (nonzero) digits is 3888, while the sum is 25.

Adding to 23023303210213 its reverse (31201230332032), we get a palindrome (54224533542245).

The spelling of 23023303210213 in words is "twenty-three trillion, twenty-three billion, three hundred three million, two hundred ten thousand, two hundred thirteen".

Divisors: 1 72431 317865323 23023303210213