123444828497 has 2 divisors, whose sum is σ = 123444828498. Its totient is φ = 123444828496.

The previous prime is 123444828491. The next prime is 123444828569. The reversal of 123444828497 is 794828444321.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 120606176656 + 2838651841 = 347284^2 + 53279^2 .

It is a cyclic number.

It is not a de Polignac number, because 123444828497 - 2⁶ = 123444828433 is a prime.

It is not a weakly prime, because it can be changed into another prime (123444828491) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 61722414248 + 61722414249.

It is an arithmetic number, because the mean of its divisors is an integer number (61722414249).

Almost surely, 2^123444828497 is an apocalyptic number.

It is an amenable number.

123444828497 is a deficient number, since it is larger than the sum of its proper divisors (1).

123444828497 is an equidigital number, since it uses as much as digits as its factorization.

123444828497 is an evil number, because the sum of its binary digits is even.

The product of its digits is 12386304, while the sum is 56.

The spelling of 123444828497 in words is "one hundred twenty-three billion, four hundred forty-four million, eight hundred twenty-eight thousand, four hundred ninety-seven".