1043244320123 has 16 divisors (see below), whose sum is σ = 1093233770496. Its totient is φ = 993642936000.

The previous prime is 1043244320089. The next prime is 1043244320147. The reversal of 1043244320123 is 3210234423401.

It is a cyclic number.

It is not a de Polignac number, because 1043244320123 - 2¹² = 1043244316027 is a prime.

It is a super-2 number, since 2×1043244320123² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1043244322123) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 23398790 + ... + 23443332.

It is an arithmetic number, because the mean of its divisors is an integer number (68327110656).

Almost surely, 2^{1043244320123} is an apocalyptic number.

1043244320123 is a deficient number, since it is larger than the sum of its proper divisors (49989450373).

1043244320123 is a wasteful number, since it uses less digits than its factorization.

1043244320123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 48874.

The product of its (nonzero) digits is 13824, while the sum is 29.

Adding to 1043244320123 its reverse (3210234423401), we get a palindrome (4253478743524).

The spelling of 1043244320123 in words is "one trillion, forty-three billion, two hundred forty-four million, three hundred twenty thousand, one hundred twenty-three".