23223021313 has 2 divisors, whose sum is σ = 23223021314. Its totient is φ = 23223021312.

The previous prime is 23223021277. The next prime is 23223021347. The reversal of 23223021313 is 31312032232.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 20515692289 + 2707329024 = 143233^2 + 52032^2 .

It is a cyclic number.

It is not a de Polignac number, because 23223021313 - 2⁹ = 23223020801 is a prime.

It is not a weakly prime, because it can be changed into another prime (23223021373) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11611510656 + 11611510657.

It is an arithmetic number, because the mean of its divisors is an integer number (11611510657).

Almost surely, 2^23223021313 is an apocalyptic number.

It is an amenable number.

23223021313 is a deficient number, since it is larger than the sum of its proper divisors (1).

23223021313 is an equidigital number, since it uses as much as digits as its factorization.

23223021313 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1296, while the sum is 22.

Adding to 23223021313 its reverse (31312032232), we get a palindrome (54535053545).

The spelling of 23223021313 in words is "twenty-three billion, two hundred twenty-three million, twenty-one thousand, three hundred thirteen".