423500318 has 4 divisors (see below), whose sum is σ = 635250480. Its totient is φ = 211750158.

The previous prime is 423500317. The next prime is 423500327. The reversal of 423500318 is 813005324.

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

It is a super-2 number, since 2×423500318² = 358705038692202248, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (423500317) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 105875078 + ... + 105875081.

It is an arithmetic number, because the mean of its divisors is an integer number (158812620).

Almost surely, 2^423500318 is an apocalyptic number.

423500318 is a deficient number, since it is larger than the sum of its proper divisors (211750162).

423500318 is a wasteful number, since it uses less digits than its factorization.

423500318 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 211750161.

The product of its (nonzero) digits is 2880, while the sum is 26.

The square root of 423500318 is about 20579.1233535348. The cubic root of 423500318 is about 750.9619171671.

The spelling of 423500318 in words is "four hundred twenty-three million, five hundred thousand, three hundred eighteen".