423055101 has 16 divisors (see below), whose sum is σ = 648222848. Its totient is φ = 240408000.

The previous prime is 423055099. The next prime is 423055141. The reversal of 423055101 is 101550324.

It is not a de Polignac number, because 423055101 - 2¹ = 423055099 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (423055141) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 51850 + ... + 59451.

It is an arithmetic number, because the mean of its divisors is an integer number (40513928).

Almost surely, 2^423055101 is an apocalyptic number.

It is an amenable number.

423055101 is a deficient number, since it is larger than the sum of its proper divisors (225167747).

423055101 is a wasteful number, since it uses less digits than its factorization.

423055101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 111492.

The product of its (nonzero) digits is 600, while the sum is 21.

The square root of 423055101 is about 20568.3033087321. The cubic root of 423055101 is about 750.6986680596.

The spelling of 423055101 in words is "four hundred twenty-three million, fifty-five thousand, one hundred one".