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23020312003 = 131770793231
BaseRepresentation
bin10101011100000111…
…100001010111000011
32012102022210000102021
4111130013201113003
5334121144441003
614324141102311
71443315265153
oct253407412703
965368700367
1023020312003
119843403147
124565557997
13222b3515c0
141185498763
158eaec32bd
hex55c1e15c3

23020312003 has 4 divisors (see below), whose sum is σ = 24791105248. Its totient is φ = 21249518760.

The previous prime is 23020311997. The next prime is 23020312009. The reversal of 23020312003 is 30021302032.

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

It is an interprime number because it is at equal distance from previous prime (23020311997) and next prime (23020312009).

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-23020312003 is a prime.

It is not an unprimeable number, because it can be changed into a prime (23020312009) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 885396603 + ... + 885396628.

It is an arithmetic number, because the mean of its divisors is an integer number (6197776312).

Almost surely, 223020312003 is an apocalyptic number.

23020312003 is a deficient number, since it is larger than the sum of its proper divisors (1770793245).

23020312003 is a wasteful number, since it uses less digits than its factorization.

23020312003 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1770793244.

The product of its (nonzero) digits is 216, while the sum is 16.

Adding to 23020312003 its reverse (30021302032), we get a palindrome (53041614035).

The spelling of 23020312003 in words is "twenty-three billion, twenty million, three hundred twelve thousand, three".

Divisors: 1 13 1770793231 23020312003