120423021223 has 4 divisors (see below), whose sum is σ = 120450105280. Its totient is φ = 120395937168.

The previous prime is 120423021181. The next prime is 120423021247. The reversal of 120423021223 is 322120324021.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 322120324021 = 39209 ⋅8215469.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-120423021223 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 120423021194 and 120423021203.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (120423021253) 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, 13535358 + ... + 13544251.

It is an arithmetic number, because the mean of its divisors is an integer number (30112526320).

Almost surely, 2^120423021223 is an apocalyptic number.

120423021223 is a deficient number, since it is larger than the sum of its proper divisors (27084057).

120423021223 is an equidigital number, since it uses as much as digits as its factorization.

120423021223 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27084056.

The product of its (nonzero) digits is 1152, while the sum is 22.

Adding to 120423021223 its reverse (322120324021), we get a palindrome (442543345244).

The spelling of 120423021223 in words is "one hundred twenty billion, four hundred twenty-three million, twenty-one thousand, two hundred twenty-three".