Search a number
-
+
1235214523 is a prime number
BaseRepresentation
bin100100110011111…
…1110000010111011
310012002021101210001
41021213332002323
510012203331043
6322322533431
742416102344
oct11147760273
93162241701
101235214523
11584278a54
122a5807277
13168ba3a8a
14ba0990cb
157369474d
hex499fe0bb

1235214523 has 2 divisors, whose sum is σ = 1235214524. Its totient is φ = 1235214522.

The previous prime is 1235214521. The next prime is 1235214551. The reversal of 1235214523 is 3254125321.

It is an a-pointer prime, because the next prime (1235214551) can be obtained adding 1235214523 to its sum of digits (28).

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1235214523 - 21 = 1235214521 is a prime.

Together with 1235214521, it forms a pair of twin primes.

It is a junction number, because it is equal to n+sod(n) for n = 1235214491 and 1235214500.

It is not a weakly prime, because it can be changed into another prime (1235214521) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 617607261 + 617607262.

It is an arithmetic number, because the mean of its divisors is an integer number (617607262).

Almost surely, 21235214523 is an apocalyptic number.

1235214523 is a deficient number, since it is larger than the sum of its proper divisors (1).

1235214523 is an equidigital number, since it uses as much as digits as its factorization.

1235214523 is an evil number, because the sum of its binary digits is even.

The product of its digits is 7200, while the sum is 28.

The square root of 1235214523 is about 35145.6188308017. The cubic root of 1235214523 is about 1072.9532421409.

Adding to 1235214523 its reverse (3254125321), we get a palindrome (4489339844).

The spelling of 1235214523 in words is "one billion, two hundred thirty-five million, two hundred fourteen thousand, five hundred twenty-three".