4723018 has 4 divisors (see below), whose sum is σ = 7084530. Its totient is φ = 2361508.

The previous prime is 4722979. The next prime is 4723021. The reversal of 4723018 is 8103274.

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

It can be written as a sum of positive squares in only one way, i.e., 4721929 + 1089 = 2173^2 + 33^2 .

It is an alternating number because its digits alternate between even and odd.

It is a junction number, because it is equal to n+sod(n) for n = 4722983 and 4723001.

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 1180753 + ... + 1180756.

Almost surely, 2^4723018 is an apocalyptic number.

4723018 is a deficient number, since it is larger than the sum of its proper divisors (2361512).

4723018 is a wasteful number, since it uses less digits than its factorization.

4723018 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2361511.

The product of its (nonzero) digits is 1344, while the sum is 25.

The square root of 4723018 is about 2173.2505607960. The cubic root of 4723018 is about 167.7798751579.

The spelling of 4723018 in words is "four million, seven hundred twenty-three thousand, eighteen".