916243423 has 4 divisors (see below), whose sum is σ = 916808200. Its totient is φ = 915678648.

The previous prime is 916243411. The next prime is 916243451. The reversal of 916243423 is 324342619.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 324342619 = 23 ⋅14101853.

It is a cyclic number.

It is not a de Polignac number, because 916243423 - 2¹³ = 916235231 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 (916243123) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 279948 + ... + 283201.

It is an arithmetic number, because the mean of its divisors is an integer number (229202050).

Almost surely, 2^916243423 is an apocalyptic number.

916243423 is a deficient number, since it is larger than the sum of its proper divisors (564777).

916243423 is a wasteful number, since it uses less digits than its factorization.

916243423 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 564776.

The product of its digits is 31104, while the sum is 34.

The square root of 916243423 is about 30269.5130948616. The cubic root of 916243423 is about 971.2632505051.

The spelling of 916243423 in words is "nine hundred sixteen million, two hundred forty-three thousand, four hundred twenty-three".