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42203404223 is a prime number
BaseRepresentation
bin100111010011100001…
…001101011110111111
311000221020011001212022
4213103201031132333
51142413032413343
631215445230355
73022561005551
oct472341153677
9130836131768
1042203404223
11169977a3272
128219a023bb
133c97706546
1420850934d1
151170177568
hex9d384d7bf

42203404223 has 2 divisors, whose sum is σ = 42203404224. Its totient is φ = 42203404222.

The previous prime is 42203404183. The next prime is 42203404241. The reversal of 42203404223 is 32240430224.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 42203404223 - 28 = 42203403967 is a prime.

It is a super-2 number, since 2×422034042232 (a number of 22 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 42203404192 and 42203404201.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (42203404423) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21101702111 + 21101702112.

It is an arithmetic number, because the mean of its divisors is an integer number (21101702112).

Almost surely, 242203404223 is an apocalyptic number.

42203404223 is a deficient number, since it is larger than the sum of its proper divisors (1).

42203404223 is an equidigital number, since it uses as much as digits as its factorization.

42203404223 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 9216, while the sum is 26.

Adding to 42203404223 its reverse (32240430224), we get a palindrome (74443834447).

The spelling of 42203404223 in words is "forty-two billion, two hundred three million, four hundred four thousand, two hundred twenty-three".