823948373 has 4 divisors (see below), whose sum is σ = 824527200. Its totient is φ = 823369548.

The previous prime is 823948369. The next prime is 823948417. The reversal of 823948373 is 373849328.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 823948373 - 2² = 823948369 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 (823948313) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 287273 + ... + 290126.

It is an arithmetic number, because the mean of its divisors is an integer number (206131800).

Almost surely, 2^823948373 is an apocalyptic number.

It is an amenable number.

823948373 is a deficient number, since it is larger than the sum of its proper divisors (578827).

823948373 is a wasteful number, since it uses less digits than its factorization.

823948373 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 578826.

The product of its digits is 870912, while the sum is 47.

The square root of 823948373 is about 28704.5009188455. The cubic root of 823948373 is about 937.4900495062.

The spelling of 823948373 in words is "eight hundred twenty-three million, nine hundred forty-eight thousand, three hundred seventy-three".