423423233442144 has 216 divisors, whose sum is σ = 1339097988900672. Its totient is φ = 126762880158720.

The previous prime is 423423233442061. The next prime is 423423233442173. The reversal of 423423233442144 is 441244332324324.

423423233442144 is a `hidden beast` number, since 4 + 2 + 3 + 4 + 2 + 32 + 33 + 442 + 144 = 666.

It is a nude number because it is divisible by every one of its digits.

It is a self number, because there is not a number n which added to its sum of digits gives 423423233442144.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 115760272 + ... + 119361999.

It is an arithmetic number, because the mean of its divisors is an integer number (6199527726392).

Almost surely, 2^{423423233442144} is an apocalyptic number.

It is an amenable number.

423423233442144 is an abundant number, since it is smaller than the sum of its proper divisors (915674755458528).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

423423233442144 is a wasteful number, since it uses less digits than its factorization.

423423233442144 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 235122350 (or 235122326 counting only the distinct ones).

The product of its digits is 5308416, while the sum is 45.

Adding to 423423233442144 its reverse (441244332324324), we get a palindrome (864667565766468).

The spelling of 423423233442144 in words is "four hundred twenty-three trillion, four hundred twenty-three billion, two hundred thirty-three million, four hundred forty-two thousand, one hundred forty-four".