120434144023 has 4 divisors (see below), whose sum is σ = 120435483168. Its totient is φ = 120432804880.

The previous prime is 120434143913. The next prime is 120434144029. The reversal of 120434144023 is 320441434021.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 320441434021 = 283 ⋅1132301887.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-120434144023 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 120434143982 and 120434144000.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (120434144029) 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, 524143 + ... + 718048.

It is an arithmetic number, because the mean of its divisors is an integer number (30108870792).

Almost surely, 2^120434144023 is an apocalyptic number.

120434144023 is a deficient number, since it is larger than the sum of its proper divisors (1339145).

120434144023 is an equidigital number, since it uses as much as digits as its factorization.

120434144023 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1339144.

The product of its (nonzero) digits is 9216, while the sum is 28.

Adding to 120434144023 its reverse (320441434021), we get a palindrome (440875578044).

The spelling of 120434144023 in words is "one hundred twenty billion, four hundred thirty-four million, one hundred forty-four thousand, twenty-three".