97823823 has 8 divisors (see below), whose sum is σ = 131088000. Its totient is φ = 64887768.

The previous prime is 97823801. The next prime is 97823833. The reversal of 97823823 is 32832879.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 97823823 - 2¹⁰ = 97822799 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (97823833) 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, 81333 + ... + 82526.

It is an arithmetic number, because the mean of its divisors is an integer number (16386000).

Almost surely, 2^97823823 is an apocalyptic number.

97823823 is a deficient number, since it is larger than the sum of its proper divisors (33264177).

97823823 is a wasteful number, since it uses less digits than its factorization.

97823823 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 164061.

The product of its digits is 145152, while the sum is 42.

The square root of 97823823 is about 9890.5926516059. The cubic root of 97823823 is about 460.7671870096.

The spelling of 97823823 in words is "ninety-seven million, eight hundred twenty-three thousand, eight hundred twenty-three".