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23020313203 = 43535356121
BaseRepresentation
bin10101011100000111…
…100001101001110011
32012102022210002001201
4111130013201221303
5334121200010303
614324141112031
71443315301516
oct253407415163
965368702051
1023020313203
119843404038
124565558617
13222b352004
141185498d7d
158eaec381d
hex55c1e1a73

23020313203 has 4 divisors (see below), whose sum is σ = 23555669368. Its totient is φ = 22484957040.

The previous prime is 23020313201. The next prime is 23020313279. The reversal of 23020313203 is 30231302032.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 23020313203 - 21 = 23020313201 is a prime.

It is a super-2 number, since 2×230203132032 (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (23020313201) 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, 267678018 + ... + 267678103.

It is an arithmetic number, because the mean of its divisors is an integer number (5888917342).

Almost surely, 223020313203 is an apocalyptic number.

23020313203 is a deficient number, since it is larger than the sum of its proper divisors (535356165).

23020313203 is an equidigital number, since it uses as much as digits as its factorization.

23020313203 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 535356164.

The product of its (nonzero) digits is 648, while the sum is 19.

Adding to 23020313203 its reverse (30231302032), we get a palindrome (53251615235).

The spelling of 23020313203 in words is "twenty-three billion, twenty million, three hundred thirteen thousand, two hundred three".

Divisors: 1 43 535356121 23020313203