423621026 has 8 divisors (see below), whose sum is σ = 639330384. Its totient is φ = 210510900.

The previous prime is 423621013. The next prime is 423621031. The reversal of 423621026 is 620126324.

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

It is a junction number, because it is equal to n+sod(n) for n = 423620986 and 423621004.

It is an unprimeable number.

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 in 3 ways as a sum of consecutive naturals, for example, 649400 + ... + 650051.

It is an arithmetic number, because the mean of its divisors is an integer number (79916298).

Almost surely, 2^423621026 is an apocalyptic number.

423621026 is a deficient number, since it is larger than the sum of its proper divisors (215709358).

423621026 is a wasteful number, since it uses less digits than its factorization.

423621026 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1299616.

The product of its (nonzero) digits is 3456, while the sum is 26.

The square root of 423621026 is about 20582.0559225749. The cubic root of 423621026 is about 751.0332579245.

The spelling of 423621026 in words is "four hundred twenty-three million, six hundred twenty-one thousand, twenty-six".