146601223 has 2 divisors, whose sum is σ = 146601224. Its totient is φ = 146601222.

The previous prime is 146601211. The next prime is 146601277. The reversal of 146601223 is 322106641.

It is a weak prime.

It is an emirp because it is prime and its reverse (322106641) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-146601223 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (146605223) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 73300611 + 73300612.

It is an arithmetic number, because the mean of its divisors is an integer number (73300612).

Almost surely, 2^146601223 is an apocalyptic number.

146601223 is a deficient number, since it is larger than the sum of its proper divisors (1).

146601223 is an equidigital number, since it uses as much as digits as its factorization.

146601223 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1728, while the sum is 25.

The square root of 146601223 is about 12107.8991984572. The cubic root of 146601223 is about 527.2855434252.

Adding to 146601223 its reverse (322106641), we get a palindrome (468707864).

The spelling of 146601223 in words is "one hundred forty-six million, six hundred one thousand, two hundred twenty-three".