Search a number
-
+
1204023423 = 31573317723
BaseRepresentation
bin100011111000011…
…1111000001111111
310002220120201122010
41013300333001333
54431212222143
6315250222303
741560013241
oct10760770177
93086521563
101204023423
11568704689
12297284993
131625a28c5
14b5c9a091
1570a82a33
hex47c3f07f

1204023423 has 16 divisors (see below), whose sum is σ = 1620680576. Its totient is φ = 795057120.

The previous prime is 1204023413. The next prime is 1204023427. The reversal of 1204023423 is 3243204021.

It is not a de Polignac number, because 1204023423 - 25 = 1204023391 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 1204023423.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1204023427) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 152040 + ... + 159762.

It is an arithmetic number, because the mean of its divisors is an integer number (101292536).

Almost surely, 21204023423 is an apocalyptic number.

1204023423 is a deficient number, since it is larger than the sum of its proper divisors (416657153).

1204023423 is a wasteful number, since it uses less digits than its factorization.

1204023423 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8214.

The product of its (nonzero) digits is 1152, while the sum is 21.

The square root of 1204023423 is about 34699.0406639723. The cubic root of 1204023423 is about 1063.8448901292.

Adding to 1204023423 its reverse (3243204021), we get a palindrome (4447227444).

The spelling of 1204023423 in words is "one billion, two hundred four million, twenty-three thousand, four hundred twenty-three".

Divisors: 1 3 157 331 471 993 7723 23169 51967 155901 1212511 2556313 3637533 7668939 401341141 1204023423