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230421407 is a prime number
BaseRepresentation
bin11011011101111…
…11001110011111
3121001120121202012
431232333032133
5432441441112
634510421435
75465356346
oct1556771637
9531517665
10230421407
11109081017
126520187b
1338979038
1422860b5d
1515368022
hexdbbf39f

230421407 has 2 divisors, whose sum is σ = 230421408. Its totient is φ = 230421406.

The previous prime is 230421343. The next prime is 230421409. The reversal of 230421407 is 704124032.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 230421407 - 26 = 230421343 is a prime.

Together with 230421409, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (230421409) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 115210703 + 115210704.

It is an arithmetic number, because the mean of its divisors is an integer number (115210704).

Almost surely, 2230421407 is an apocalyptic number.

230421407 is a deficient number, since it is larger than the sum of its proper divisors (1).

230421407 is an equidigital number, since it uses as much as digits as its factorization.

230421407 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1344, while the sum is 23.

The square root of 230421407 is about 15179.6379074074. The cubic root of 230421407 is about 613.0665318847.

Adding to 230421407 its reverse (704124032), we get a palindrome (934545439).

The spelling of 230421407 in words is "two hundred thirty million, four hundred twenty-one thousand, four hundred seven".