1323404725450 has 48 divisors (see below), whose sum is σ = 2545727777280. Its totient is φ = 511540585920.

The previous prime is 1323404725439. The next prime is 1323404725457. The reversal of 1323404725450 is 545274043231.

It is a super-3 number, since 3×1323404725450³ (a number of 37 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (1323404725457) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 3378597 + ... + 3749896.

It is an arithmetic number, because the mean of its divisors is an integer number (53035995360).

Almost surely, 2^{1323404725450} is an apocalyptic number.

1323404725450 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1323404725450 is a deficient number, since it is larger than the sum of its proper divisors (1222323051830).

1323404725450 is a wasteful number, since it uses less digits than its factorization.

1323404725450 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7128631 (or 7128626 counting only the distinct ones).

The product of its (nonzero) digits is 403200, while the sum is 40.

Adding to 1323404725450 its reverse (545274043231), we get a palindrome (1868678768681).

The spelling of 1323404725450 in words is "one trillion, three hundred twenty-three billion, four hundred four million, seven hundred twenty-five thousand, four hundred fifty".