Search a number
-
+
234631223 is a prime number
BaseRepresentation
bin11011111110000…
…11000000110111
3121100111111112022
431333003000313
5440031144343
635140543355
75546222021
oct1577030067
9540444468
10234631223
11110496a02
12666b1b5b
13397c1258
1423239011
15158ea568
hexdfc3037

234631223 has 2 divisors, whose sum is σ = 234631224. Its totient is φ = 234631222.

The previous prime is 234631217. The next prime is 234631261. The reversal of 234631223 is 322136432.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 234631223 - 24 = 234631207 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 234631192 and 234631201.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (234631283) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 117315611 + 117315612.

It is an arithmetic number, because the mean of its divisors is an integer number (117315612).

Almost surely, 2234631223 is an apocalyptic number.

234631223 is a deficient number, since it is larger than the sum of its proper divisors (1).

234631223 is an equidigital number, since it uses as much as digits as its factorization.

234631223 is an evil number, because the sum of its binary digits is even.

The product of its digits is 5184, while the sum is 26.

The square root of 234631223 is about 15317.6768147131. The cubic root of 234631223 is about 616.7776124058. Note that the first 3 decimals are identical.

Adding to 234631223 its reverse (322136432), we get a palindrome (556767655).

The spelling of 234631223 in words is "two hundred thirty-four million, six hundred thirty-one thousand, two hundred twenty-three".