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232423231 is a prime number
BaseRepresentation
bin11011101101001…
…11111100111111
3121012100022201211
431312213330333
5434000020411
635021345251
75521364515
oct1566477477
9535308654
10232423231
1110a219017
1265a08227
13391ca251
1422c224b5
1515611221
hexdda7f3f

232423231 has 2 divisors, whose sum is σ = 232423232. Its totient is φ = 232423230.

The previous prime is 232423229. The next prime is 232423267. The reversal of 232423231 is 132324232.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 232423231 - 21 = 232423229 is a prime.

It is a super-2 number, since 2×2324232312 = 108041116616958722, which contains 22 as substring.

Together with 232423229, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (232423291) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 116211615 + 116211616.

It is an arithmetic number, because the mean of its divisors is an integer number (116211616).

Almost surely, 2232423231 is an apocalyptic number.

232423231 is a deficient number, since it is larger than the sum of its proper divisors (1).

232423231 is an equidigital number, since it uses as much as digits as its factorization.

232423231 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1728, while the sum is 22.

The square root of 232423231 is about 15245.4331194624. The cubic root of 232423231 is about 614.8367875001.

Adding to 232423231 its reverse (132324232), we get a palindrome (364747463).

The spelling of 232423231 in words is "two hundred thirty-two million, four hundred twenty-three thousand, two hundred thirty-one".