83355823 has 4 divisors (see below), whose sum is σ = 84411040. Its totient is φ = 82300608.

The previous prime is 83355817. The next prime is 83355871. The reversal of 83355823 is 32855338.

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 83355823 - 2²⁵ = 49801391 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 (83355893) 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, 527490 + ... + 527647.

It is an arithmetic number, because the mean of its divisors is an integer number (21102760).

Almost surely, 2^83355823 is an apocalyptic number.

83355823 is a deficient number, since it is larger than the sum of its proper divisors (1055217).

83355823 is a wasteful number, since it uses less digits than its factorization.

83355823 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1055216.

The product of its digits is 86400, while the sum is 37.

The square root of 83355823 is about 9129.9410184294. The cubic root of 83355823 is about 436.8295219008.

The spelling of 83355823 in words is "eighty-three million, three hundred fifty-five thousand, eight hundred twenty-three".