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1423085783 = 72317191303
BaseRepresentation
bin101010011010010…
…1001000011010111
310200011210020200212
41110310221003113
510403302221113
6353113400035
750160013100
oct12464510327
93604706625
101423085783
11670327459
1233870901b
13198aa25c2
14d70013a7
1584e050a8
hex54d290d7

1423085783 has 24 divisors (see below), whose sum is σ = 1712517120. Its totient is φ = 1177893360.

The previous prime is 1423085777. The next prime is 1423085789. The reversal of 1423085783 is 3875803241.

It is an interprime number because it is at equal distance from previous prime (1423085777) and next prime (1423085789).

It is not a de Polignac number, because 1423085783 - 212 = 1423081687 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1423085783.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1423085789) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1091510 + ... + 1092812.

It is an arithmetic number, because the mean of its divisors is an integer number (71354880).

Almost surely, 21423085783 is an apocalyptic number.

1423085783 is a deficient number, since it is larger than the sum of its proper divisors (289431337).

1423085783 is a wasteful number, since it uses less digits than its factorization.

1423085783 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2067 (or 2060 counting only the distinct ones).

The product of its (nonzero) digits is 161280, while the sum is 41.

The square root of 1423085783 is about 37723.8092323668. The cubic root of 1423085783 is about 1124.8044520694.

The spelling of 1423085783 in words is "one billion, four hundred twenty-three million, eighty-five thousand, seven hundred eighty-three".

Divisors: 1 7 31 49 217 719 1303 1519 5033 9121 22289 35231 40393 63847 156023 282751 936857 1092161 1979257 6557999 29042567 45905993 203297969 1423085783