322123000545 has 24 divisors (see below), whose sum is σ = 560107904616. Its totient is φ = 171256973568.

The previous prime is 322123000543. The next prime is 322123000579. The reversal of 322123000545 is 545000321223.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 17943696 + 322105056849 = 4236^2 + 567543^2 .

It is not a de Polignac number, because 322123000545 - 2¹ = 322123000543 is a prime.

It is a super-2 number, since 2×322123000545² (a number of 24 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (322123000543) 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, 11276412 + ... + 11304941.

It is an arithmetic number, because the mean of its divisors is an integer number (23337829359).

Almost surely, 2^322123000545 is an apocalyptic number.

It is an amenable number.

322123000545 is a deficient number, since it is larger than the sum of its proper divisors (237984904071).

322123000545 is a wasteful number, since it uses less digits than its factorization.

322123000545 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22581681 (or 22581678 counting only the distinct ones).

The product of its (nonzero) digits is 7200, while the sum is 27.

Adding to 322123000545 its reverse (545000321223), we get a palindrome (867123321768).

The spelling of 322123000545 in words is "three hundred twenty-two billion, one hundred twenty-three million, five hundred forty-five", and thus it is an aban number.