32123315545 has 8 divisors (see below), whose sum is σ = 38549029896. Its totient is φ = 25697951616.

The previous prime is 32123315537. The next prime is 32123315687. The reversal of 32123315545 is 54551332123.

It can be written as a sum of positive squares in 4 ways, for example, as 7304779024 + 24818536521 = 85468^2 + 157539^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 32123315545 - 2³ = 32123315537 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 32123315545.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 199789 + ... + 322741.

It is an arithmetic number, because the mean of its divisors is an integer number (4818628737).

Almost surely, 2^32123315545 is an apocalyptic number.

It is an amenable number.

32123315545 is a deficient number, since it is larger than the sum of its proper divisors (6425714351).

32123315545 is a wasteful number, since it uses less digits than its factorization.

32123315545 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 175211.

The product of its digits is 54000, while the sum is 34.

Adding to 32123315545 its reverse (54551332123), we get a palindrome (86674647668).

The spelling of 32123315545 in words is "thirty-two billion, one hundred twenty-three million, three hundred fifteen thousand, five hundred forty-five".