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1423213230 = 23547440441
BaseRepresentation
bin101010011010100…
…1000001010101110
310200012000201112010
41110311020022232
510403320310410
6353120222050
750161053465
oct12465101256
93605021463
101423213230
1167040418a
1233876a926
13198b1860a
14d70359dc
1584e2cc20
hex54d482ae

1423213230 has 16 divisors (see below), whose sum is σ = 3415711824. Its totient is φ = 379523520.

The previous prime is 1423213229. The next prime is 1423213237. The reversal of 1423213230 is 323123241.

It is a junction number, because it is equal to n+sod(n) for n = 1423213197 and 1423213206.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1423213237) 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, 23720191 + ... + 23720250.

It is an arithmetic number, because the mean of its divisors is an integer number (213481989).

Almost surely, 21423213230 is an apocalyptic number.

1423213230 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1423213230 is an abundant number, since it is smaller than the sum of its proper divisors (1992498594).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1423213230 is a wasteful number, since it uses less digits than its factorization.

1423213230 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 47440451.

The product of its (nonzero) digits is 864, while the sum is 21.

The square root of 1423213230 is about 37725.4984062504. The cubic root of 1423213230 is about 1124.8380290272.

Adding to 1423213230 its reverse (323123241), we get a palindrome (1746336471).

The spelling of 1423213230 in words is "one billion, four hundred twenty-three million, two hundred thirteen thousand, two hundred thirty".

Divisors: 1 2 3 5 6 10 15 30 47440441 94880882 142321323 237202205 284642646 474404410 711606615 1423213230