83854423 has 2 divisors, whose sum is σ = 83854424. Its totient is φ = 83854422.

The previous prime is 83854373. The next prime is 83854451. The reversal of 83854423 is 32445838.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-83854423 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (83854483) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 41927211 + 41927212.

It is an arithmetic number, because the mean of its divisors is an integer number (41927212).

Almost surely, 2^83854423 is an apocalyptic number.

83854423 is a deficient number, since it is larger than the sum of its proper divisors (1).

83854423 is an equidigital number, since it uses as much as digits as its factorization.

83854423 is an evil number, because the sum of its binary digits is even.

The product of its digits is 92160, while the sum is 37.

The square root of 83854423 is about 9157.2060695389. The cubic root of 83854423 is about 437.6987687820.

The spelling of 83854423 in words is "eighty-three million, eight hundred fifty-four thousand, four hundred twenty-three".