423227143 has 4 divisors (see below), whose sum is σ = 423357088. Its totient is φ = 423097200.

The previous prime is 423227137. The next prime is 423227153. The reversal of 423227143 is 341722324.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 423227143 - 2⁵ = 423227111 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 (423227153) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 59958 + ... + 66643.

It is an arithmetic number, because the mean of its divisors is an integer number (105839272).

Almost surely, 2^423227143 is an apocalyptic number.

423227143 is a deficient number, since it is larger than the sum of its proper divisors (129945).

423227143 is a wasteful number, since it uses less digits than its factorization.

423227143 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 129944.

The product of its digits is 8064, while the sum is 28.

The square root of 423227143 is about 20572.4850953889. The cubic root of 423227143 is about 750.8004154023.

Adding to 423227143 its reverse (341722324), we get a palindrome (764949467).

It can be divided in two parts, 4232 and 27143, that added together give a triangular number (31375 = T₂₅₀).

The spelling of 423227143 in words is "four hundred twenty-three million, two hundred twenty-seven thousand, one hundred forty-three".