323468140545 has 48 divisors (see below), whose sum is σ = 611724215232. Its totient is φ = 156813713280.

The previous prime is 323468140511. The next prime is 323468140553. The reversal of 323468140545 is 545041864323.

323468140545 is a `hidden beast` number, since 3 + 2 + 3 + 4 + 68 + 1 + 40 + 545 = 666.

It is not a de Polignac number, because 323468140545 - 2¹² = 323468136449 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 323468140545.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 4497034 + ... + 4568396.

It is an arithmetic number, because the mean of its divisors is an integer number (12744254484).

Almost surely, 2^323468140545 is an apocalyptic number.

It is an amenable number.

323468140545 is a deficient number, since it is larger than the sum of its proper divisors (288256074687).

323468140545 is a wasteful number, since it uses less digits than its factorization.

323468140545 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 80542 (or 80539 counting only the distinct ones).

The product of its (nonzero) digits is 1382400, while the sum is 45.

The spelling of 323468140545 in words is "three hundred twenty-three billion, four hundred sixty-eight million, one hundred forty thousand, five hundred forty-five".