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223797983 is a prime number
BaseRepresentation
bin11010101011011…
…10001011011111
3120121010010010012
431111232023133
5424243013413
634112433435
75355152153
oct1525561337
9517103105
10223797983
11105367812
1262b4887b
133749a356
1421a19063
15149aa7a8
hexd56e2df

223797983 has 2 divisors, whose sum is σ = 223797984. Its totient is φ = 223797982.

The previous prime is 223797953. The next prime is 223797991. The reversal of 223797983 is 389797322.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 223797983 - 26 = 223797919 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (223797953) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 111898991 + 111898992.

It is an arithmetic number, because the mean of its divisors is an integer number (111898992).

Almost surely, 2223797983 is an apocalyptic number.

223797983 is a deficient number, since it is larger than the sum of its proper divisors (1).

223797983 is an equidigital number, since it uses as much as digits as its factorization.

223797983 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1143072, while the sum is 50.

The square root of 223797983 is about 14959.8791104741. The cubic root of 223797983 is about 607.1351672620.

The spelling of 223797983 in words is "two hundred twenty-three million, seven hundred ninety-seven thousand, nine hundred eighty-three".