424223123143 has 4 divisors (see below), whose sum is σ = 446550655960. Its totient is φ = 401895590328.

The previous prime is 424223123131. The next prime is 424223123173. The reversal of 424223123143 is 341321322424.

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 424223123143 - 2¹³ = 424223114951 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 (424223123173) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11163766380 + ... + 11163766417.

It is an arithmetic number, because the mean of its divisors is an integer number (111637663990).

Almost surely, 2^424223123143 is an apocalyptic number.

424223123143 is a deficient number, since it is larger than the sum of its proper divisors (22327532817).

424223123143 is a wasteful number, since it uses less digits than its factorization.

424223123143 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22327532816.

The product of its digits is 27648, while the sum is 31.

Adding to 424223123143 its reverse (341321322424), we get a palindrome (765544445567).

The spelling of 424223123143 in words is "four hundred twenty-four billion, two hundred twenty-three million, one hundred twenty-three thousand, one hundred forty-three".