23221414444387 has 2 divisors, whose sum is σ = 23221414444388. Its totient is φ = 23221414444386.

The previous prime is 23221414444357. The next prime is 23221414444411. The reversal of 23221414444387 is 78344441412232.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-23221414444387 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 23221414444387.

It is not a weakly prime, because it can be changed into another prime (23221414444357) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11610707222193 + 11610707222194.

It is an arithmetic number, because the mean of its divisors is an integer number (11610707222194).

Almost surely, 2^{23221414444387} is an apocalyptic number.

23221414444387 is a deficient number, since it is larger than the sum of its proper divisors (1).

23221414444387 is an equidigital number, since it uses as much as digits as its factorization.

23221414444387 is an evil number, because the sum of its binary digits is even.

The product of its digits is 4128768, while the sum is 49.

The spelling of 23221414444387 in words is "twenty-three trillion, two hundred twenty-one billion, four hundred fourteen million, four hundred forty-four thousand, three hundred eighty-seven".