83722823 has 8 divisors (see below), whose sum is σ = 86137488. Its totient is φ = 81316224.

The previous prime is 83722819. The next prime is 83722853. The reversal of 83722823 is 32822738.

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

It is a cyclic number.

It is not a de Polignac number, because 83722823 - 2² = 83722819 is a prime.

It is a super-2 number, since 2×83722823² = 14019022182178658, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (83722853) 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, 23615 + ... + 26927.

It is an arithmetic number, because the mean of its divisors is an integer number (10767186).

Almost surely, 2^83722823 is an apocalyptic number.

83722823 is a deficient number, since it is larger than the sum of its proper divisors (2414665).

83722823 is a wasteful number, since it uses less digits than its factorization.

83722823 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4033.

The product of its digits is 32256, while the sum is 35.

The square root of 83722823 is about 9150.0176502562. The cubic root of 83722823 is about 437.4696760479.

The spelling of 83722823 in words is "eighty-three million, seven hundred twenty-two thousand, eight hundred twenty-three".