1023444400219 has 2 divisors, whose sum is σ = 1023444400220. Its totient is φ = 1023444400218.

The previous prime is 1023444400217. The next prime is 1023444400241. The reversal of 1023444400219 is 9120044443201.

It is a weak prime.

It is an emirp because it is prime and its reverse (9120044443201) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1023444400219 - 2¹ = 1023444400217 is a prime.

It is a super-2 number, since 2×1023444400219² (a number of 25 digits) contains 22 as substring.

Together with 1023444400217, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (1023444400211) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 511722200109 + 511722200110.

It is an arithmetic number, because the mean of its divisors is an integer number (511722200110).

Almost surely, 2^{1023444400219} is an apocalyptic number.

1023444400219 is a deficient number, since it is larger than the sum of its proper divisors (1).

1023444400219 is an equidigital number, since it uses as much as digits as its factorization.

1023444400219 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 27648, while the sum is 34.

The spelling of 1023444400219 in words is "one trillion, twenty-three billion, four hundred forty-four million, four hundred thousand, two hundred nineteen".