423621061 has 8 divisors (see below), whose sum is σ = 452821824. Its totient is φ = 395318880.

The previous prime is 423621053. The next prime is 423621071. The reversal of 423621061 is 160126324.

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 423621061 - 2³ = 423621053 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 (423621031) 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, 223671 + ... + 225556.

It is an arithmetic number, because the mean of its divisors is an integer number (56602728).

Almost surely, 2^423621061 is an apocalyptic number.

423621061 is a gapful number since it is divisible by the number (41) formed by its first and last digit.

It is an amenable number.

423621061 is a deficient number, since it is larger than the sum of its proper divisors (29200763).

423621061 is a wasteful number, since it uses less digits than its factorization.

423621061 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 449291.

The product of its (nonzero) digits is 1728, while the sum is 25.

The square root of 423621061 is about 20582.0567728301. The cubic root of 423621061 is about 751.0332786082.

Adding to 423621061 its reverse (160126324), we get a palindrome (583747385).

The spelling of 423621061 in words is "four hundred twenty-three million, six hundred twenty-one thousand, sixty-one".