133023003421321 has 8 divisors (see below), whose sum is σ = 146749579759944. Its totient is φ = 119795575313280.

The previous prime is 133023003421313. The next prime is 133023003421337. The reversal of 133023003421321 is 123124300320331.

It can be written as a sum of positive squares in 4 ways, for example, as 2730161382400 + 130292842038921 = 1652320^2 + 11414589^2 .

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 133023003421321 - 2³ = 133023003421313 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 133023003421321.

It is not an unprimeable number, because it can be changed into a prime (133023003461321) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 124787057086 + ... + 124787058151.

It is an arithmetic number, because the mean of its divisors is an integer number (18343697469993).

Almost surely, 2^{133023003421321} is an apocalyptic number.

It is an amenable number.

133023003421321 is a deficient number, since it is larger than the sum of its proper divisors (13726576338623).

133023003421321 is a wasteful number, since it uses less digits than its factorization.

133023003421321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 249574115291.

The product of its (nonzero) digits is 7776, while the sum is 28.

Adding to 133023003421321 its reverse (123124300320331), we get a palindrome (256147303741652).

The spelling of 133023003421321 in words is "one hundred thirty-three trillion, twenty-three billion, three million, four hundred twenty-one thousand, three hundred twenty-one".