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240220223 is a prime number
BaseRepresentation
bin11100101000101…
…11100000111111
3121202000110012022
432110113200333
5442444021343
635500430355
75644560335
oct1624274077
9552013168
10240220223
11113664011
12685483bb
133a9ca159
1423c91b55
1516151568
hexe51783f

240220223 has 2 divisors, whose sum is σ = 240220224. Its totient is φ = 240220222.

The previous prime is 240220207. The next prime is 240220229. The reversal of 240220223 is 322022042.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 240220223 - 24 = 240220207 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (240220229) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 120110111 + 120110112.

It is an arithmetic number, because the mean of its divisors is an integer number (120110112).

Almost surely, 2240220223 is an apocalyptic number.

240220223 is a deficient number, since it is larger than the sum of its proper divisors (1).

240220223 is an equidigital number, since it uses as much as digits as its factorization.

240220223 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 384, while the sum is 17.

The square root of 240220223 is about 15499.0394218481. The cubic root of 240220223 is about 621.6365219886.

Adding to 240220223 its reverse (322022042), we get a palindrome (562242265).

The spelling of 240220223 in words is "two hundred forty million, two hundred twenty thousand, two hundred twenty-three".