23221414444357 has 2 divisors, whose sum is σ = 23221414444358. Its totient is φ = 23221414444356.

The previous prime is 23221414444313. The next prime is 23221414444387. The reversal of 23221414444357 is 75344441412232.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 20470430629476 + 2750983814881 = 4524426^2 + 1658609^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-23221414444357 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (23221414444387) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11610707222178 + 11610707222179.

It is an arithmetic number, because the mean of its divisors is an integer number (11610707222179).

Almost surely, 2^{23221414444357} is an apocalyptic number.

It is an amenable number.

23221414444357 is a deficient number, since it is larger than the sum of its proper divisors (1).

23221414444357 is an equidigital number, since it uses as much as digits as its factorization.

23221414444357 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2580480, while the sum is 46.

Adding to 23221414444357 its reverse (75344441412232), we get a palindrome (98565855856589).

The spelling of 23221414444357 in words is "twenty-three trillion, two hundred twenty-one billion, four hundred fourteen million, four hundred forty-four thousand, three hundred fifty-seven".