823064673 has 8 divisors (see below), whose sum is σ = 1161973728. Its totient is φ = 516432704.

The previous prime is 823064659. The next prime is 823064681. The reversal of 823064673 is 376460328.

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 823064673 - 2¹² = 823060577 is a prime.

It is not an unprimeable number, because it can be changed into a prime (823064633) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8069211 + ... + 8069312.

It is an arithmetic number, because the mean of its divisors is an integer number (145246716).

Almost surely, 2^823064673 is an apocalyptic number.

It is an amenable number.

823064673 is a deficient number, since it is larger than the sum of its proper divisors (338909055).

823064673 is a wasteful number, since it uses less digits than its factorization.

823064673 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16138543.

The product of its (nonzero) digits is 145152, while the sum is 39.

The square root of 823064673 is about 28689.1037329506. The cubic root of 823064673 is about 937.1547710915.

The spelling of 823064673 in words is "eight hundred twenty-three million, sixty-four thousand, six hundred seventy-three".