423001111 has 8 divisors (see below), whose sum is σ = 455755664. Its totient is φ = 390277440.

The previous prime is 423001099. The next prime is 423001171. The reversal of 423001111 is 111100324.

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 423001111 - 2¹¹ = 422999063 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (13).

It is a junction number, because it is equal to n+sod(n) for n = 423001091 and 423001100.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (423001171) 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, 26320 + ... + 39226.

It is an arithmetic number, because the mean of its divisors is an integer number (56969458).

Almost surely, 2^423001111 is an apocalyptic number.

423001111 is a deficient number, since it is larger than the sum of its proper divisors (32754553).

423001111 is a wasteful number, since it uses less digits than its factorization.

423001111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15441.

The product of its (nonzero) digits is 24, while the sum is 13.

The square root of 423001111 is about 20566.9908105197. The cubic root of 423001111 is about 750.6667321524. Note that the first 3 decimals are identical.

Adding to 423001111 its reverse (111100324), we get a palindrome (534101435).

The spelling of 423001111 in words is "four hundred twenty-three million, one thousand, one hundred eleven".