124823256403 has 2 divisors, whose sum is σ = 124823256404. Its totient is φ = 124823256402.

The previous prime is 124823256391. The next prime is 124823256419. The reversal of 124823256403 is 304652328421.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 124823256403 - 2³³ = 116233321811 is a prime.

It is not a weakly prime, because it can be changed into another prime (124823256433) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 62411628201 + 62411628202.

It is an arithmetic number, because the mean of its divisors is an integer number (62411628202).

Almost surely, 2^124823256403 is an apocalyptic number.

124823256403 is a deficient number, since it is larger than the sum of its proper divisors (1).

124823256403 is an equidigital number, since it uses as much as digits as its factorization.

124823256403 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 276480, while the sum is 40.

The spelling of 124823256403 in words is "one hundred twenty-four billion, eight hundred twenty-three million, two hundred fifty-six thousand, four hundred three".