423142234241123 has 4 divisors (see below), whose sum is σ = 423151896610728. Its totient is φ = 423132571871520.

The previous prime is 423142234241117. The next prime is 423142234241143. The reversal of 423142234241123 is 321142432241324.

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 423142234241123 - 2¹⁸ = 423142233978979 is a prime.

It is a super-2 number, since 2×423142234241123² (a number of 30 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (423142234241143) 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, 4831119113 + ... + 4831206698.

It is an arithmetic number, because the mean of its divisors is an integer number (105787974152682).

Almost surely, 2^{423142234241123} is an apocalyptic number.

423142234241123 is a deficient number, since it is larger than the sum of its proper divisors (9662369605).

423142234241123 is an equidigital number, since it uses as much as digits as its factorization.

423142234241123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9662369604.

The product of its digits is 221184, while the sum is 38.

Adding to 423142234241123 its reverse (321142432241324), we get a palindrome (744284666482447).

The spelling of 423142234241123 in words is "four hundred twenty-three trillion, one hundred forty-two billion, two hundred thirty-four million, two hundred forty-one thousand, one hundred twenty-three".