120421224023 has 4 divisors (see below), whose sum is σ = 120472015608. Its totient is φ = 120370432440.

The previous prime is 120421223981. The next prime is 120421224061. The reversal of 120421224023 is 320422124021.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 320422124021 = 229 ⋅1399223249.

It is a cyclic number.

It is not a de Polignac number, because 120421224023 - 2⁶ = 120421223959 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 120421224023.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (120421221023) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 25392236 + ... + 25396977.

It is an arithmetic number, because the mean of its divisors is an integer number (30118003902).

Almost surely, 2^120421224023 is an apocalyptic number.

120421224023 is a deficient number, since it is larger than the sum of its proper divisors (50791585).

120421224023 is an equidigital number, since it uses as much as digits as its factorization.

120421224023 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 50791584.

The product of its (nonzero) digits is 1536, while the sum is 23.

Adding to 120421224023 its reverse (320422124021), we get a palindrome (440843348044).

The spelling of 120421224023 in words is "one hundred twenty billion, four hundred twenty-one million, two hundred twenty-four thousand, twenty-three".