120355536523 has 4 divisors (see below), whose sum is σ = 120367368288. Its totient is φ = 120343704760.

The previous prime is 120355536503. The next prime is 120355536527. The reversal of 120355536523 is 325635553021.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 325635553021 = 1013 ⋅321456617.

It is a cyclic number.

It is not a de Polignac number, because 120355536523 - 2⁹ = 120355536011 is a prime.

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (120355536527) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5900611 + ... + 5920972.

It is an arithmetic number, because the mean of its divisors is an integer number (30091842072).

Almost surely, 2^120355536523 is an apocalyptic number.

120355536523 is a deficient number, since it is larger than the sum of its proper divisors (11831765).

120355536523 is a wasteful number, since it uses less digits than its factorization.

120355536523 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11831764.

The product of its (nonzero) digits is 405000, while the sum is 40.

The spelling of 120355536523 in words is "one hundred twenty billion, three hundred fifty-five million, five hundred thirty-six thousand, five hundred twenty-three".