1423433021044 has 24 divisors (see below), whose sum is σ = 2515468275936. Its totient is φ = 704751372000.

The previous prime is 1423433021041. The next prime is 1423433021051. The reversal of 1423433021044 is 4401203343241.

It is a junction number, because it is equal to n+sod(n) for n = 1423433020997 and 1423433021015.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1423433021041) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2704722 + ... + 3187849.

It is an arithmetic number, because the mean of its divisors is an integer number (104811178164).

Almost surely, 2^{1423433021044} is an apocalyptic number.

It is an amenable number.

1423433021044 is a deficient number, since it is larger than the sum of its proper divisors (1092035254892).

1423433021044 is a wasteful number, since it uses less digits than its factorization.

1423433021044 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5893167 (or 5893165 counting only the distinct ones).

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

Adding to 1423433021044 its reverse (4401203343241), we get a palindrome (5824636364285).

The spelling of 1423433021044 in words is "one trillion, four hundred twenty-three billion, four hundred thirty-three million, twenty-one thousand, forty-four".