Search a number
-
+
1423104431 = 7533835861
BaseRepresentation
bin101010011010010…
…1101100110101111
310200011211012021112
41110310231212233
510403303320211
6353114022235
750160121340
oct12464554657
93604735245
101423104431
1167033a471
1233871797b
13198aaac38
14d70080c7
1584e0a88b
hex54d2d9af

1423104431 has 8 divisors (see below), whose sum is σ = 1657092384. Its totient is φ = 1196788320.

The previous prime is 1423104421. The next prime is 1423104433. The reversal of 1423104431 is 1344013241.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 1423104431 - 214 = 1423088047 is a prime.

It is a super-2 number, since 2×14231044312 = 4050452443063667522, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1423104397 and 1423104406.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1423104433) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1917560 + ... + 1918301.

It is an arithmetic number, because the mean of its divisors is an integer number (207136548).

Almost surely, 21423104431 is an apocalyptic number.

1423104431 is a deficient number, since it is larger than the sum of its proper divisors (233987953).

1423104431 is an equidigital number, since it uses as much as digits as its factorization.

1423104431 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3835921.

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

The square root of 1423104431 is about 37724.0563964163. The cubic root of 1423104431 is about 1124.8093651632.

Adding to 1423104431 its reverse (1344013241), we get a palindrome (2767117672).

The spelling of 1423104431 in words is "one billion, four hundred twenty-three million, one hundred four thousand, four hundred thirty-one".

Divisors: 1 7 53 371 3835861 26851027 203300633 1423104431