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1438112323 is a prime number
BaseRepresentation
bin101010110110111…
…1101101001000011
310201020001200020101
41111231331221003
510421124043243
6354411423231
750431516204
oct12555755103
93636050211
101438112323
1167886008a
12341754b17
1319bc3404b
14d8dd35ab
15863c254d
hex55b7da43

1438112323 has 2 divisors, whose sum is σ = 1438112324. Its totient is φ = 1438112322.

The previous prime is 1438112243. The next prime is 1438112363. The reversal of 1438112323 is 3232118341.

It is a strong prime.

It is an emirp because it is prime and its reverse (3232118341) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1438112323 - 29 = 1438111811 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1438112291 and 1438112300.

It is not a weakly prime, because it can be changed into another prime (1438112363) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 719056161 + 719056162.

It is an arithmetic number, because the mean of its divisors is an integer number (719056162).

Almost surely, 21438112323 is an apocalyptic number.

1438112323 is a deficient number, since it is larger than the sum of its proper divisors (1).

1438112323 is an equidigital number, since it uses as much as digits as its factorization.

1438112323 is an evil number, because the sum of its binary digits is even.

The product of its digits is 3456, while the sum is 28.

The square root of 1438112323 is about 37922.4514371104. The cubic root of 1438112323 is about 1128.7495822013.

The spelling of 1438112323 in words is "one billion, four hundred thirty-eight million, one hundred twelve thousand, three hundred twenty-three".