423506654 has 4 divisors (see below), whose sum is σ = 635259984. Its totient is φ = 211753326.

The previous prime is 423506651. The next prime is 423506683. The reversal of 423506654 is 456605324.

It is a happy number.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (423506651) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 105876662 + ... + 105876665.

It is an arithmetic number, because the mean of its divisors is an integer number (158814996).

Almost surely, 2^423506654 is an apocalyptic number.

423506654 is a deficient number, since it is larger than the sum of its proper divisors (211753330).

423506654 is a wasteful number, since it uses less digits than its factorization.

423506654 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 211753329.

The product of its (nonzero) digits is 86400, while the sum is 35.

The square root of 423506654 is about 20579.2772953765. The cubic root of 423506654 is about 750.9656622025.

The spelling of 423506654 in words is "four hundred twenty-three million, five hundred six thousand, six hundred fifty-four".