84423307 has 4 divisors (see below), whose sum is σ = 86705056. Its totient is φ = 82141560.

The previous prime is 84423293. The next prime is 84423341. The reversal of 84423307 is 70332448.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 84423307 - 2¹⁹ = 83899019 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (84423347) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1140819 + ... + 1140892.

It is an arithmetic number, because the mean of its divisors is an integer number (21676264).

Almost surely, 2^84423307 is an apocalyptic number.

84423307 is a deficient number, since it is larger than the sum of its proper divisors (2281749).

84423307 is a wasteful number, since it uses less digits than its factorization.

84423307 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2281748.

The product of its (nonzero) digits is 16128, while the sum is 31.

The square root of 84423307 is about 9188.2156592017. The cubic root of 84423307 is about 438.6863487775.

The spelling of 84423307 in words is "eighty-four million, four hundred twenty-three thousand, three hundred seven".