120040523 has 4 divisors (see below), whose sum is σ = 120087240. Its totient is φ = 119993808.

The previous prime is 120040517. The next prime is 120040549. The reversal of 120040523 is 325040021.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 120040523 - 2⁸ = 120040267 is a prime.

It is a super-2 number, since 2×120040523² = 28819454324227058, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (120040513) 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, 19265 + ... + 24722.

It is an arithmetic number, because the mean of its divisors is an integer number (30021810).

Almost surely, 2^120040523 is an apocalyptic number.

120040523 is a deficient number, since it is larger than the sum of its proper divisors (46717).

120040523 is an equidigital number, since it uses as much as digits as its factorization.

120040523 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 46716.

The product of its (nonzero) digits is 240, while the sum is 17.

The square root of 120040523 is about 10956.3006074131. The cubic root of 120040523 is about 493.2979299020.

Adding to 120040523 its reverse (325040021), we get a palindrome (445080544).

The spelling of 120040523 in words is "one hundred twenty million, forty thousand, five hundred twenty-three".