245631323 has 8 divisors (see below), whose sum is σ = 285324000. Its totient is φ = 207089280.

The previous prime is 245631319. The next prime is 245631343. The reversal of 245631323 is 323136542.

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 245631323 - 2² = 245631319 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (245631343) 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, 287198 + ... + 288051.

It is an arithmetic number, because the mean of its divisors is an integer number (35665500).

Almost surely, 2^245631323 is an apocalyptic number.

245631323 is a deficient number, since it is larger than the sum of its proper divisors (39692677).

245631323 is an equidigital number, since it uses as much as digits as its factorization.

245631323 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 575317.

The product of its digits is 12960, while the sum is 29.

The square root of 245631323 is about 15672.6297410486. The cubic root of 245631323 is about 626.2694820122.

Adding to 245631323 its reverse (323136542), we get a palindrome (568767865).

The spelling of 245631323 in words is "two hundred forty-five million, six hundred thirty-one thousand, three hundred twenty-three".