423153646 has 8 divisors (see below), whose sum is σ = 636314544. Its totient is φ = 211048800.

The previous prime is 423153641. The next prime is 423153667. The reversal of 423153646 is 646351324.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (423153641) 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, 263010 + ... + 264613.

It is an arithmetic number, because the mean of its divisors is an integer number (79539318).

Almost surely, 2^423153646 is an apocalyptic number.

423153646 is a deficient number, since it is larger than the sum of its proper divisors (213160898).

423153646 is a wasteful number, since it uses less digits than its factorization.

423153646 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 528026.

The product of its digits is 51840, while the sum is 34.

The square root of 423153646 is about 20570.6987241562. The cubic root of 423153646 is about 750.7569519228.

The spelling of 423153646 in words is "four hundred twenty-three million, one hundred fifty-three thousand, six hundred forty-six".