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1142513423 is a prime number
BaseRepresentation
bin100010000011001…
…0101111100001111
32221121211200202222
41010012111330033
54314440412143
6305212005555
740212126632
oct10406257417
92847750688
101142513423
11536a12277
1227a7608bb
1315291755c
14aba47c19
156a482768
hex44195f0f

1142513423 has 2 divisors, whose sum is σ = 1142513424. Its totient is φ = 1142513422.

The previous prime is 1142513371. The next prime is 1142513429. The reversal of 1142513423 is 3243152411.

It is a happy number.

It is a strong prime.

It is an emirp because it is prime and its reverse (3243152411) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1142513423 - 214 = 1142497039 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1142513392 and 1142513401.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1142513429) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 571256711 + 571256712.

It is an arithmetic number, because the mean of its divisors is an integer number (571256712).

Almost surely, 21142513423 is an apocalyptic number.

1142513423 is a deficient number, since it is larger than the sum of its proper divisors (1).

1142513423 is an equidigital number, since it uses as much as digits as its factorization.

1142513423 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2880, while the sum is 26.

The square root of 1142513423 is about 33801.0861216027. The cubic root of 1142513423 is about 1045.4110919702.

Adding to 1142513423 its reverse (3243152411), we get a palindrome (4385665834).

The spelling of 1142513423 in words is "one billion, one hundred forty-two million, five hundred thirteen thousand, four hundred twenty-three".