2544221321423 has 2 divisors, whose sum is σ = 2544221321424. Its totient is φ = 2544221321422.

The previous prime is 2544221321363. The next prime is 2544221321459. The reversal of 2544221321423 is 3241231224452.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2544221321423 - 2²⁴ = 2544204544207 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2544221321623) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1272110660711 + 1272110660712.

It is an arithmetic number, because the mean of its divisors is an integer number (1272110660712).

Almost surely, 2^{2544221321423} is an apocalyptic number.

2544221321423 is a deficient number, since it is larger than the sum of its proper divisors (1).

2544221321423 is an equidigital number, since it uses as much as digits as its factorization.

2544221321423 is an evil number, because the sum of its binary digits is even.

The product of its digits is 92160, while the sum is 35.

Adding to 2544221321423 its reverse (3241231224452), we get a palindrome (5785452545875).

The spelling of 2544221321423 in words is "two trillion, five hundred forty-four billion, two hundred twenty-one million, three hundred twenty-one thousand, four hundred twenty-three".