254640323 has 8 divisors (see below), whose sum is σ = 291114240. Its totient is φ = 218190600.

The previous prime is 254640317. The next prime is 254640361. The reversal of 254640323 is 323046452.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 254640323 - 2⁶ = 254640259 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (254640523) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 36248 + ... + 42698.

It is an arithmetic number, because the mean of its divisors is an integer number (36389280).

Almost surely, 2^254640323 is an apocalyptic number.

254640323 is a deficient number, since it is larger than the sum of its proper divisors (36473917).

254640323 is an equidigital number, since it uses as much as digits as its factorization.

254640323 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12097.

The product of its (nonzero) digits is 17280, while the sum is 29.

The square root of 254640323 is about 15957.4535249206. The cubic root of 254640323 is about 633.8342826672.

Adding to 254640323 its reverse (323046452), we get a palindrome (577686775).

The spelling of 254640323 in words is "two hundred fifty-four million, six hundred forty thousand, three hundred twenty-three".