83854123 has 2 divisors, whose sum is σ = 83854124. Its totient is φ = 83854122.

The previous prime is 83854097. The next prime is 83854213. The reversal of 83854123 is 32145838.

It is a happy number.

Together with next prime (83854213) it forms an Ormiston pair, because they use the same digits, order apart.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 83854123 - 2⁹ = 83853611 is a prime.

It is an alternating number because its digits alternate between even and odd.

It is not a weakly prime, because it can be changed into another prime (83854423) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 41927061 + 41927062.

It is an arithmetic number, because the mean of its divisors is an integer number (41927062).

Almost surely, 2^83854123 is an apocalyptic number.

83854123 is a deficient number, since it is larger than the sum of its proper divisors (1).

83854123 is an equidigital number, since it uses as much as digits as its factorization.

83854123 is an evil number, because the sum of its binary digits is even.

The product of its digits is 23040, while the sum is 34.

The square root of 83854123 is about 9157.1896889821. The cubic root of 83854123 is about 437.6982468068.

The spelling of 83854123 in words is "eighty-three million, eight hundred fifty-four thousand, one hundred twenty-three".