1023000421444 has 24 divisors (see below), whose sum is σ = 1808842959000. Its totient is φ = 506193004800.

The previous prime is 1023000421367. The next prime is 1023000421463. The reversal of 1023000421444 is 4441240003201.

1023000421444 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 247544061444 + 775456360000 = 497538^2 + 880600^2 .

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, 237882 + ... + 1450030.

It is an arithmetic number, because the mean of its divisors is an integer number (75368456625).

Almost surely, 2^{1023000421444} is an apocalyptic number.

It is an amenable number.

1023000421444 is a deficient number, since it is larger than the sum of its proper divisors (785842537556).

1023000421444 is a wasteful number, since it uses less digits than its factorization.

1023000421444 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1214343 (or 1214341 counting only the distinct ones).

The product of its (nonzero) digits is 3072, while the sum is 25.

Adding to 1023000421444 its reverse (4441240003201), we get a palindrome (5464240424645).

The spelling of 1023000421444 in words is "one trillion, twenty-three billion, four hundred twenty-one thousand, four hundred forty-four".