823432349 has 8 divisors (see below), whose sum is σ = 876254400. Its totient is φ = 771097536.

The previous prime is 823432331. The next prime is 823432387. The reversal of 823432349 is 943234328.

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 823432349 - 2¹² = 823428253 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (823432319) 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, 118319 + ... + 125084.

It is an arithmetic number, because the mean of its divisors is an integer number (109531800).

Almost surely, 2^823432349 is an apocalyptic number.

It is an amenable number.

823432349 is a deficient number, since it is larger than the sum of its proper divisors (52822051).

823432349 is a wasteful number, since it uses less digits than its factorization.

823432349 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 243619.

The product of its digits is 124416, while the sum is 38.

The square root of 823432349 is about 28695.5109555484. The cubic root of 823432349 is about 937.2942976008.

The spelling of 823432349 in words is "eight hundred twenty-three million, four hundred thirty-two thousand, three hundred forty-nine".