23000201321 has 4 divisors (see below), whose sum is σ = 23019481812. Its totient is φ = 22980920832.

The previous prime is 23000201317. The next prime is 23000201333. The reversal of 23000201321 is 12310200032.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 12507067225 + 10493134096 = 111835^2 + 102436^2 .

It is a cyclic number.

It is not a de Polignac number, because 23000201321 - 2² = 23000201317 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 23000201296 and 23000201305.

It is not an unprimeable number, because it can be changed into a prime (23000201921) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9638456 + ... + 9640841.

It is an arithmetic number, because the mean of its divisors is an integer number (5754870453).

Almost surely, 2^23000201321 is an apocalyptic number.

It is an amenable number.

23000201321 is a deficient number, since it is larger than the sum of its proper divisors (19280491).

23000201321 is a wasteful number, since it uses less digits than its factorization.

23000201321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19280490.

The product of its (nonzero) digits is 72, while the sum is 14.

Adding to 23000201321 its reverse (12310200032), we get a palindrome (35310401353).

The spelling of 23000201321 in words is "twenty-three billion, two hundred one thousand, three hundred twenty-one".