423655401 has 8 divisors (see below), whose sum is σ = 608325760. Its totient is φ = 260710992.

The previous prime is 423655387. The next prime is 423655409. The reversal of 423655401 is 104556324.

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

It is not a de Polignac number, because 423655401 - 2⁷ = 423655273 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (423655409) 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, 5431441 + ... + 5431518.

It is an arithmetic number, because the mean of its divisors is an integer number (76040720).

Almost surely, 2^423655401 is an apocalyptic number.

It is an amenable number.

423655401 is a deficient number, since it is larger than the sum of its proper divisors (184670359).

423655401 is a wasteful number, since it uses less digits than its factorization.

423655401 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10862975.

The product of its (nonzero) digits is 14400, while the sum is 30.

The square root of 423655401 is about 20582.8909777028. The cubic root of 423655401 is about 751.0535717336.

The spelling of 423655401 in words is "four hundred twenty-three million, six hundred fifty-five thousand, four hundred one".