23223145444313 has 2 divisors, whose sum is σ = 23223145444314. Its totient is φ = 23223145444312.

The previous prime is 23223145444277. The next prime is 23223145444361. The reversal of 23223145444313 is 31344454132232.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 14824555971289 + 8398589473024 = 3850267^2 + 2898032^2 .

It is a cyclic number.

It is not a de Polignac number, because 23223145444313 - 2²⁸ = 23222877008857 is a prime.

It is a super-3 number, since 3×23223145444313³ (a number of 41 digits) contains 333 as substring.

It is not a weakly prime, because it can be changed into another prime (23223145444613) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11611572722156 + 11611572722157.

It is an arithmetic number, because the mean of its divisors is an integer number (11611572722157).

Almost surely, 2^{23223145444313} is an apocalyptic number.

It is an amenable number.

23223145444313 is a deficient number, since it is larger than the sum of its proper divisors (1).

23223145444313 is an equidigital number, since it uses as much as digits as its factorization.

23223145444313 is an evil number, because the sum of its binary digits is even.

The product of its digits is 829440, while the sum is 41.

Adding to 23223145444313 its reverse (31344454132232), we get a palindrome (54567599576545).

The spelling of 23223145444313 in words is "twenty-three trillion, two hundred twenty-three billion, one hundred forty-five million, four hundred forty-four thousand, three hundred thirteen".