1230423020444 has 24 divisors (see below), whose sum is σ = 2281410538848. Its totient is φ = 578639344640.

The previous prime is 1230423020413. The next prime is 1230423020459. The reversal of 1230423020444 is 4440203240321.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5884829 + ... + 6090324.

It is an arithmetic number, because the mean of its divisors is an integer number (95058772452).

Almost surely, 2^{1230423020444} is an apocalyptic number.

It is an amenable number.

1230423020444 is a deficient number, since it is larger than the sum of its proper divisors (1050987518404).

1230423020444 is a wasteful number, since it uses less digits than its factorization.

1230423020444 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11976685 (or 11976683 counting only the distinct ones).

The product of its (nonzero) digits is 18432, while the sum is 29.

Adding to 1230423020444 its reverse (4440203240321), we get a palindrome (5670626260765).

The spelling of 1230423020444 in words is "one trillion, two hundred thirty billion, four hundred twenty-three million, twenty thousand, four hundred forty-four".