120723229523 has 4 divisors (see below), whose sum is σ = 130009631808. Its totient is φ = 111436827240.

The previous prime is 120723229489. The next prime is 120723229573. The reversal of 120723229523 is 325922327021.

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 120723229523 - 2¹⁰ = 120723228499 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (120723229573) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4643201123 + ... + 4643201148.

It is an arithmetic number, because the mean of its divisors is an integer number (32502407952).

Almost surely, 2^120723229523 is an apocalyptic number.

120723229523 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

120723229523 is a deficient number, since it is larger than the sum of its proper divisors (9286402285).

120723229523 is an equidigital number, since it uses as much as digits as its factorization.

120723229523 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9286402284.

The product of its (nonzero) digits is 90720, while the sum is 38.

The spelling of 120723229523 in words is "one hundred twenty billion, seven hundred twenty-three million, two hundred twenty-nine thousand, five hundred twenty-three".