45344512121323 has 2 divisors, whose sum is σ = 45344512121324. Its totient is φ = 45344512121322.

The previous prime is 45344512121309. The next prime is 45344512121407. The reversal of 45344512121323 is 32312121544354.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-45344512121323 is a prime.

It is a super-2 number, since 2×45344512121323² (a number of 28 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (45344512128323) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 22672256060661 + 22672256060662.

It is an arithmetic number, because the mean of its divisors is an integer number (22672256060662).

Almost surely, 2^{45344512121323} is an apocalyptic number.

45344512121323 is a deficient number, since it is larger than the sum of its proper divisors (1).

45344512121323 is an equidigital number, since it uses as much as digits as its factorization.

45344512121323 is an evil number, because the sum of its binary digits is even.

The product of its digits is 345600, while the sum is 40.

Adding to 45344512121323 its reverse (32312121544354), we get a palindrome (77656633665677).

The spelling of 45344512121323 in words is "forty-five trillion, three hundred forty-four billion, five hundred twelve million, one hundred twenty-one thousand, three hundred twenty-three".