120203322123 has 8 divisors (see below), whose sum is σ = 162466590928. Its totient is φ = 79037800704.

The previous prime is 120203322119. The next prime is 120203322157. The reversal of 120203322123 is 321223302021.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 120203322123 - 2² = 120203322119 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 120203322123.

It is not an unprimeable number, because it can be changed into a prime (120203322163) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 274436590 + ... + 274437027.

It is an arithmetic number, because the mean of its divisors is an integer number (20308323866).

Almost surely, 2^120203322123 is an apocalyptic number.

120203322123 is a deficient number, since it is larger than the sum of its proper divisors (42263268805).

120203322123 is an equidigital number, since it uses as much as digits as its factorization.

120203322123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 548873693.

The product of its (nonzero) digits is 864, while the sum is 21.

Adding to 120203322123 its reverse (321223302021), we get a palindrome (441426624144).

The spelling of 120203322123 in words is "one hundred twenty billion, two hundred three million, three hundred twenty-two thousand, one hundred twenty-three".