83125823 has 4 divisors (see below), whose sum is σ = 90682728. Its totient is φ = 75568920.

The previous prime is 83125813. The next prime is 83125831. The reversal of 83125823 is 32852138.

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 83125823 - 2⁴ = 83125807 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 83125823.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (83125813) 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, 3778436 + ... + 3778457.

It is an arithmetic number, because the mean of its divisors is an integer number (22670682).

Almost surely, 2^83125823 is an apocalyptic number.

83125823 is a deficient number, since it is larger than the sum of its proper divisors (7556905).

83125823 is a wasteful number, since it uses less digits than its factorization.

83125823 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7556904.

The product of its digits is 11520, while the sum is 32.

The square root of 83125823 is about 9117.3363983128. The cubic root of 83125823 is about 436.4273770695.

The spelling of 83125823 in words is "eighty-three million, one hundred twenty-five thousand, eight hundred twenty-three".