23132113321 has 2 divisors, whose sum is σ = 23132113322. Its totient is φ = 23132113320.

The previous prime is 23132113313. The next prime is 23132113351. The reversal of 23132113321 is 12331123132.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 18237152025 + 4894961296 = 135045^2 + 69964^2 .

It is a cyclic number.

It is not a de Polignac number, because 23132113321 - 2³ = 23132113313 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 23132113292 and 23132113301.

It is not a weakly prime, because it can be changed into another prime (23132113351) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11566056660 + 11566056661.

It is an arithmetic number, because the mean of its divisors is an integer number (11566056661).

Almost surely, 2^23132113321 is an apocalyptic number.

It is an amenable number.

23132113321 is a deficient number, since it is larger than the sum of its proper divisors (1).

23132113321 is an equidigital number, since it uses as much as digits as its factorization.

23132113321 is an evil number, because the sum of its binary digits is even.

The product of its digits is 648, while the sum is 22.

Adding to 23132113321 its reverse (12331123132), we get a palindrome (35463236453).

The spelling of 23132113321 in words is "twenty-three billion, one hundred thirty-two million, one hundred thirteen thousand, three hundred twenty-one".