423201111 has 16 divisors (see below), whose sum is σ = 602949600. Its totient is φ = 263098368.

The previous prime is 423201091. The next prime is 423201167. The reversal of 423201111 is 111102324.

It is not a de Polignac number, because 423201111 - 2⁹ = 423200599 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (423201511) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 32506 + ... + 43623.

It is an arithmetic number, because the mean of its divisors is an integer number (37684350).

Almost surely, 2^423201111 is an apocalyptic number.

423201111 is a deficient number, since it is larger than the sum of its proper divisors (179748489).

423201111 is a wasteful number, since it uses less digits than its factorization.

423201111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 76258.

The product of its (nonzero) digits is 48, while the sum is 15.

The square root of 423201111 is about 20571.8523959317. The cubic root of 423201111 is about 750.7850215903.

Adding to 423201111 its reverse (111102324), we get a palindrome (534303435).

The spelling of 423201111 in words is "four hundred twenty-three million, two hundred one thousand, one hundred eleven".