1023120343344 has 80 divisors (see below), whose sum is σ = 2883752999424. Its totient is φ = 309991968000.

The previous prime is 1023120343277. The next prime is 1023120343379. The reversal of 1023120343344 is 4433430213201.

It is a happy number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3640242 + ... + 3911214.

Almost surely, 2^{1023120343344} is an apocalyptic number.

It is an amenable number.

1023120343344 is an abundant number, since it is smaller than the sum of its proper divisors (1860632656080).

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

1023120343344 is a wasteful number, since it uses less digits than its factorization.

1023120343344 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 278146 (or 278140 counting only the distinct ones).

The product of its (nonzero) digits is 20736, while the sum is 30.

Adding to 1023120343344 its reverse (4433430213201), we get a palindrome (5456550556545).

The spelling of 1023120343344 in words is "one trillion, twenty-three billion, one hundred twenty million, three hundred forty-three thousand, three hundred forty-four".