83918923 has 32 divisors (see below), whose sum is σ = 99283968. Its totient is φ = 70214400.

The previous prime is 83918921. The next prime is 83918957. The reversal of 83918923 is 32981938.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 83918923 - 2¹ = 83918921 is a prime.

It is a Duffinian number.

Its product of digits (93312) is a multiple of the sum of its prime divisors (243).

It is a self number, because there is not a number n which added to its sum of digits gives 83918923.

It is not an unprimeable number, because it can be changed into a prime (83918921) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 784236 + ... + 784342.

It is an arithmetic number, because the mean of its divisors is an integer number (3102624).

Almost surely, 2^83918923 is an apocalyptic number.

83918923 is a deficient number, since it is larger than the sum of its proper divisors (15365045).

83918923 is a wasteful number, since it uses less digits than its factorization.

83918923 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 243.

The product of its digits is 93312, while the sum is 43.

The square root of 83918923 is about 9160.7272091248. The cubic root of 83918923 is about 437.8109645541.

The spelling of 83918923 in words is "eighty-three million, nine hundred eighteen thousand, nine hundred twenty-three".