1820416545023 has 2 divisors, whose sum is σ = 1820416545024. Its totient is φ = 1820416545022.

The previous prime is 1820416544971. The next prime is 1820416545083. The reversal of 1820416545023 is 3205456140281.

It is a weak prime.

It is an emirp because it is prime and its reverse (3205456140281) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1820416545023 - 2¹² = 1820416540927 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1820416545083) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 910208272511 + 910208272512.

It is an arithmetic number, because the mean of its divisors is an integer number (910208272512).

Almost surely, 2^{1820416545023} is an apocalyptic number.

1820416545023 is a deficient number, since it is larger than the sum of its proper divisors (1).

1820416545023 is an equidigital number, since it uses as much as digits as its factorization.

1820416545023 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 230400, while the sum is 41.

The spelling of 1820416545023 in words is "one trillion, eight hundred twenty billion, four hundred sixteen million, five hundred forty-five thousand, twenty-three".