120120523 has 4 divisors (see below), whose sum is σ = 124262640. Its totient is φ = 115978408.

The previous prime is 120120509. The next prime is 120120563. The reversal of 120120523 is 325021021.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 325021021 = 13 ⋅25001617.

It is a cyclic number.

It is not a de Polignac number, because 120120523 - 2⁵ = 120120491 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 120120497 and 120120506.

It is not an unprimeable number, because it can be changed into a prime (120120503) 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, 2071015 + ... + 2071072.

It is an arithmetic number, because the mean of its divisors is an integer number (31065660).

Almost surely, 2^120120523 is an apocalyptic number.

120120523 is a deficient number, since it is larger than the sum of its proper divisors (4142117).

120120523 is an equidigital number, since it uses as much as digits as its factorization.

120120523 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4142116.

The product of its (nonzero) digits is 120, while the sum is 16.

The square root of 120120523 is about 10959.9508666782. The cubic root of 120120523 is about 493.4074903234.

Adding to 120120523 its reverse (325021021), we get a palindrome (445141544).

The spelling of 120120523 in words is "one hundred twenty million, one hundred twenty thousand, five hundred twenty-three".