4123915059523 has 6 divisors (see below), whose sum is σ = 4797207314196. Its totient is φ = 3534784336692.

The previous prime is 4123915059521. The next prime is 4123915059553. The reversal of 4123915059523 is 3259505193214.

It is not a de Polignac number, because 4123915059523 - 2¹ = 4123915059521 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (49), and also a Moran number because the ratio is a prime number: 84161531827 = 4123915059523 / (4 + 1 + 2 + 3 + 9 + 1 + 5 + 0 + 5 + 9 + 5 + 2 + 3).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4123915059521) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 42080765865 + ... + 42080765962.

It is an arithmetic number, because the mean of its divisors is an integer number (799534552366).

Almost surely, 2^{4123915059523} is an apocalyptic number.

4123915059523 is a deficient number, since it is larger than the sum of its proper divisors (673292254673).

4123915059523 is an equidigital number, since it uses as much as digits as its factorization.

4123915059523 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 84161531841 (or 84161531834 counting only the distinct ones).

The product of its (nonzero) digits is 1458000, while the sum is 49.

The spelling of 4123915059523 in words is "four trillion, one hundred twenty-three billion, nine hundred fifteen million, fifty-nine thousand, five hundred twenty-three".