423142311131123 has 4 divisors (see below), whose sum is σ = 423252132653568. Its totient is φ = 423032489608680.

The previous prime is 423142311131119. The next prime is 423142311131147. The reversal of 423142311131123 is 321131113241324.

It is a happy number.

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 423142311131123 - 2² = 423142311131119 is a prime.

It is a super-2 number, since 2×423142311131123² (a number of 30 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 423142311131123.

It is not an unprimeable number, because it can be changed into a prime (423142311131623) 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, 54910755443 + ... + 54910763148.

It is an arithmetic number, because the mean of its divisors is an integer number (105813033163392).

Almost surely, 2^{423142311131123} is an apocalyptic number.

423142311131123 is a deficient number, since it is larger than the sum of its proper divisors (109821522445).

423142311131123 is a wasteful number, since it uses less digits than its factorization.

423142311131123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 109821522444.

The product of its digits is 10368, while the sum is 32.

Adding to 423142311131123 its reverse (321131113241324), we get a palindrome (744273424372447).

The spelling of 423142311131123 in words is "four hundred twenty-three trillion, one hundred forty-two billion, three hundred eleven million, one hundred thirty-one thousand, one hundred twenty-three".