23200132321 has 2 divisors, whose sum is σ = 23200132322. Its totient is φ = 23200132320.

The previous prime is 23200132313. The next prime is 23200132331. The reversal of 23200132321 is 12323100232.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 21609000000 + 1591132321 = 147000^2 + 39889^2 .

It is a cyclic number.

It is not a de Polignac number, because 23200132321 - 2³ = 23200132313 is a prime.

It is a super-2 number, since 2×23200132321² (a number of 22 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (23200132301) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11600066160 + 11600066161.

It is an arithmetic number, because the mean of its divisors is an integer number (11600066161).

Almost surely, 2^23200132321 is an apocalyptic number.

It is an amenable number.

23200132321 is a deficient number, since it is larger than the sum of its proper divisors (1).

23200132321 is an equidigital number, since it uses as much as digits as its factorization.

23200132321 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 432, while the sum is 19.

Adding to 23200132321 its reverse (12323100232), we get a palindrome (35523232553).

The spelling of 23200132321 in words is "twenty-three billion, two hundred million, one hundred thirty-two thousand, three hundred twenty-one".