423248621 has 8 divisors (see below), whose sum is σ = 426626304. Its totient is φ = 419878800.

The previous prime is 423248597. The next prime is 423248627. The reversal of 423248621 is 126842324.

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

It is a cyclic number.

It is not a de Polignac number, because 423248621 - 2⁶ = 423248557 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (423248627) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 151580 + ... + 154346.

It is an arithmetic number, because the mean of its divisors is an integer number (53328288).

Almost surely, 2^423248621 is an apocalyptic number.

It is an amenable number.

423248621 is a deficient number, since it is larger than the sum of its proper divisors (3377683).

423248621 is a wasteful number, since it uses less digits than its factorization.

423248621 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3931.

The product of its digits is 18432, while the sum is 32.

The square root of 423248621 is about 20573.0070966789. The cubic root of 423248621 is about 750.8131157681.

The spelling of 423248621 in words is "four hundred twenty-three million, two hundred forty-eight thousand, six hundred twenty-one".