323044400451 has 16 divisors (see below), whose sum is σ = 438878186496. Its totient is φ = 211287244896.

The previous prime is 323044400449. The next prime is 323044400599. The reversal of 323044400451 is 154004440323.

It is not a de Polignac number, because 323044400451 - 2¹ = 323044400449 is a prime.

It is not an unprimeable number, because it can be changed into a prime (323044400431) 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, 3294336 + ... + 3390978.

It is an arithmetic number, because the mean of its divisors is an integer number (27429886656).

Almost surely, 2^323044400451 is an apocalyptic number.

323044400451 is a deficient number, since it is larger than the sum of its proper divisors (115833786045).

323044400451 is a wasteful number, since it uses less digits than its factorization.

323044400451 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 117722.

The product of its (nonzero) digits is 23040, while the sum is 30.

Adding to 323044400451 its reverse (154004440323), we get a palindrome (477048840774).

The spelling of 323044400451 in words is "three hundred twenty-three billion, forty-four million, four hundred thousand, four hundred fifty-one".