84343923 has 10 divisors (see below), whose sum is σ = 125995364. Its totient is φ = 56229228.

The previous prime is 84343891. The next prime is 84343933. The reversal of 84343923 is 32934348.

It is a happy number.

It is not a de Polignac number, because 84343923 - 2⁵ = 84343891 is a prime.

It is a super-2 number, since 2×84343923² = 14227794694059858, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (84343933) by changing a digit.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 520561 + ... + 520722.

Almost surely, 2^84343923 is an apocalyptic number.

84343923 is a deficient number, since it is larger than the sum of its proper divisors (41651441).

84343923 is a wasteful number, since it uses less digits than its factorization.

84343923 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1041295 (or 1041286 counting only the distinct ones).

The product of its digits is 62208, while the sum is 36.

The square root of 84343923 is about 9183.8947620277. The cubic root of 84343923 is about 438.5488054087.

The spelling of 84343923 in words is "eighty-four million, three hundred forty-three thousand, nine hundred twenty-three".