423542368 has 12 divisors (see below), whose sum is σ = 833849100. Its totient is φ = 211771168.

The previous prime is 423542363. The next prime is 423542387. The reversal of 423542368 is 863245324.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (423542363) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6617818 + ... + 6617881.

It is an arithmetic number, because the mean of its divisors is an integer number (69487425).

Almost surely, 2^423542368 is an apocalyptic number.

It is an amenable number.

423542368 is a deficient number, since it is larger than the sum of its proper divisors (410306732).

423542368 is a wasteful number, since it uses less digits than its factorization.

423542368 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13235709 (or 13235701 counting only the distinct ones).

The product of its digits is 138240, while the sum is 37.

The square root of 423542368 is about 20580.1449946301. The cubic root of 423542368 is about 750.9867710670.

The spelling of 423542368 in words is "four hundred twenty-three million, five hundred forty-two thousand, three hundred sixty-eight".