423442551245 has 32 divisors (see below), whose sum is σ = 589303143936. Its totient is φ = 286075238400.

The previous prime is 423442551241. The next prime is 423442551271. The reversal of 423442551245 is 542155244324.

It is not a de Polignac number, because 423442551245 - 2² = 423442551241 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (423442551241) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3622757 + ... + 3737813.

It is an arithmetic number, because the mean of its divisors is an integer number (18415723248).

Almost surely, 2^423442551245 is an apocalyptic number.

It is an amenable number.

423442551245 is a deficient number, since it is larger than the sum of its proper divisors (165860592691).

423442551245 is a wasteful number, since it uses less digits than its factorization.

423442551245 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 116621.

The product of its digits is 768000, while the sum is 41.

Adding to 423442551245 its reverse (542155244324), we get a palindrome (965597795569).

The spelling of 423442551245 in words is "four hundred twenty-three billion, four hundred forty-two million, five hundred fifty-one thousand, two hundred forty-five".