5120453352123 has 20 divisors (see below), whose sum is σ = 7723335141808. Its totient is φ = 3380493469680.

The previous prime is 5120453352121. The next prime is 5120453352173. The reversal of 5120453352123 is 3212533540215.

5120453352123 is a `hidden beast` number, since 5 + 120 + 4 + 5 + 3 + 3 + 521 + 2 + 3 = 666.

It is not a de Polignac number, because 5120453352123 - 2¹ = 5120453352121 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (5120453352121) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 306862888 + ... + 306879573.

Almost surely, 2^{5120453352123} is an apocalyptic number.

5120453352123 is a deficient number, since it is larger than the sum of its proper divisors (2602881789685).

5120453352123 is a wasteful number, since it uses less digits than its factorization.

5120453352123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 613742576 (or 613742567 counting only the distinct ones).

The product of its (nonzero) digits is 108000, while the sum is 36.

Adding to 5120453352123 its reverse (3212533540215), we get a palindrome (8332986892338).

The spelling of 5120453352123 in words is "five trillion, one hundred twenty billion, four hundred fifty-three million, three hundred fifty-two thousand, one hundred twenty-three".