120343020153 has 4 divisors (see below), whose sum is σ = 160457360208. Its totient is φ = 80228680100.

The previous prime is 120343020089. The next prime is 120343020157. The reversal of 120343020153 is 351020343021.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 120343020153 - 2⁶ = 120343020089 is a prime.

It is not an unprimeable number, because it can be changed into a prime (120343020157) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 20057170023 + ... + 20057170028.

It is an arithmetic number, because the mean of its divisors is an integer number (40114340052).

Almost surely, 2^120343020153 is an apocalyptic number.

It is an amenable number.

120343020153 is a deficient number, since it is larger than the sum of its proper divisors (40114340055).

120343020153 is an equidigital number, since it uses as much as digits as its factorization.

120343020153 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40114340054.

The product of its (nonzero) digits is 2160, while the sum is 24.

Adding to 120343020153 its reverse (351020343021), we get a palindrome (471363363174).

The spelling of 120343020153 in words is "one hundred twenty billion, three hundred forty-three million, twenty thousand, one hundred fifty-three".