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23500331 is a prime number
BaseRepresentation
bin101100110100…
…1011000101011
31122012221101122
41121221120223
522004002311
62155405455
7403515041
oct131513053
948187348
1023500331
11122a1168
127a5388b
134b3a72a
14319a391
1520e30db
hex166962b

23500331 has 2 divisors, whose sum is σ = 23500332. Its totient is φ = 23500330.

The previous prime is 23500297. The next prime is 23500363. The reversal of 23500331 is 13300532.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-23500331 is a prime.

It is a super-2 number, since 2×235003312 = 1104531114219122, which contains 22 as substring.

It is a Sophie Germain prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (23500381) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11750165 + 11750166.

It is an arithmetic number, because the mean of its divisors is an integer number (11750166).

Almost surely, 223500331 is an apocalyptic number.

23500331 is a deficient number, since it is larger than the sum of its proper divisors (1).

23500331 is an equidigital number, since it uses as much as digits as its factorization.

23500331 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 270, while the sum is 17.

The square root of 23500331 is about 4847.7139973394. The cubic root of 23500331 is about 286.4340606046.

Adding to 23500331 its reverse (13300532), we get a palindrome (36800863).

The spelling of 23500331 in words is "twenty-three million, five hundred thousand, three hundred thirty-one".