513048832123 has 2 divisors, whose sum is σ = 513048832124. Its totient is φ = 513048832122.

The previous prime is 513048832111. The next prime is 513048832151. The reversal of 513048832123 is 321238840315.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 513048832123 - 2³³ = 504458897531 is a prime.

It is not a weakly prime, because it can be changed into another prime (513048832823) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 256524416061 + 256524416062.

It is an arithmetic number, because the mean of its divisors is an integer number (256524416062).

Almost surely, 2^513048832123 is an apocalyptic number.

513048832123 is a deficient number, since it is larger than the sum of its proper divisors (1).

513048832123 is an equidigital number, since it uses as much as digits as its factorization.

513048832123 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 138240, while the sum is 40.

The spelling of 513048832123 in words is "five hundred thirteen billion, forty-eight million, eight hundred thirty-two thousand, one hundred twenty-three".