1030440400323 has 16 divisors (see below), whose sum is σ = 1383909501696. Its totient is φ = 681982187040.

The previous prime is 1030440400291. The next prime is 1030440400333. The reversal of 1030440400323 is 3230040440301.

It is not a de Polignac number, because 1030440400323 - 2⁵ = 1030440400291 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1030440400293 and 1030440400302.

It is not an unprimeable number, because it can be changed into a prime (1030440400333) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1798911 + ... + 2301512.

It is an arithmetic number, because the mean of its divisors is an integer number (86494343856).

Almost surely, 2^{1030440400323} is an apocalyptic number.

1030440400323 is a deficient number, since it is larger than the sum of its proper divisors (353469101373).

1030440400323 is a wasteful number, since it uses less digits than its factorization.

1030440400323 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4101034.

The product of its (nonzero) digits is 3456, while the sum is 24.

Adding to 1030440400323 its reverse (3230040440301), we get a palindrome (4260480840624).

The spelling of 1030440400323 in words is "one trillion, thirty billion, four hundred forty million, four hundred thousand, three hundred twenty-three".