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1423412231 is a prime number
BaseRepresentation
bin101010011010111…
…1000110000000111
310200012101211111112
41110311320300013
510403343142411
6353124355235
750162542613
oct12465706007
93605354445
101423412231
1167052a74a
12338845b1b
13198b88077
14d7088343
1584e6bb8b
hex54d78c07

1423412231 has 2 divisors, whose sum is σ = 1423412232. Its totient is φ = 1423412230.

The previous prime is 1423412183. The next prime is 1423412239. The reversal of 1423412231 is 1322143241.

It is a strong prime.

It is an emirp because it is prime and its reverse (1322143241) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1423412231 - 222 = 1419217927 is a prime.

It is a super-2 number, since 2×14234122312 = 4052204758720794722, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1423412197 and 1423412206.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1423412239) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 711706115 + 711706116.

It is an arithmetic number, because the mean of its divisors is an integer number (711706116).

Almost surely, 21423412231 is an apocalyptic number.

1423412231 is a deficient number, since it is larger than the sum of its proper divisors (1).

1423412231 is an equidigital number, since it uses as much as digits as its factorization.

1423412231 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1152, while the sum is 23.

The square root of 1423412231 is about 37728.1358007522. The cubic root of 1423412231 is about 1124.8904534650.

Adding to 1423412231 its reverse (1322143241), we get a palindrome (2745555472).

The spelling of 1423412231 in words is "one billion, four hundred twenty-three million, four hundred twelve thousand, two hundred thirty-one".