97834823 has 4 divisors (see below), whose sum is σ = 97907760. Its totient is φ = 97761888.

The previous prime is 97834817. The next prime is 97834837. The reversal of 97834823 is 32843879.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 97834823 - 2¹⁴ = 97818439 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 (97834843) 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, 34418 + ... + 37151.

It is an arithmetic number, because the mean of its divisors is an integer number (24476940).

Almost surely, 2^97834823 is an apocalyptic number.

97834823 is a deficient number, since it is larger than the sum of its proper divisors (72937).

97834823 is a wasteful number, since it uses less digits than its factorization.

97834823 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 72936.

The product of its digits is 290304, while the sum is 44.

The square root of 97834823 is about 9891.1487199415. The cubic root of 97834823 is about 460.7844569988.

The spelling of 97834823 in words is "ninety-seven million, eight hundred thirty-four thousand, eight hundred twenty-three".