823463523 has 16 divisors (see below), whose sum is σ = 1220896800. Its totient is φ = 548547840.

The previous prime is 823463519. The next prime is 823463593. The reversal of 823463523 is 325364328.

It is a happy number.

It is not a de Polignac number, because 823463523 - 2² = 823463519 is a prime.

It is not an unprimeable number, because it can be changed into a prime (823463513) 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 15 ways as a sum of consecutive naturals, for example, 25543 + ... + 47951.

It is an arithmetic number, because the mean of its divisors is an integer number (76306050).

Almost surely, 2^823463523 is an apocalyptic number.

823463523 is a deficient number, since it is larger than the sum of its proper divisors (397433277).

823463523 is a wasteful number, since it uses less digits than its factorization.

823463523 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23779 (or 23773 counting only the distinct ones).

The product of its digits is 103680, while the sum is 36.

The square root of 823463523 is about 28696.0541364139. The cubic root of 823463523 is about 937.3061256697.

The spelling of 823463523 in words is "eight hundred twenty-three million, four hundred sixty-three thousand, five hundred twenty-three".