120320020123 has 2 divisors, whose sum is σ = 120320020124. Its totient is φ = 120320020122.

The previous prime is 120320020099. The next prime is 120320020153. The reversal of 120320020123 is 321020023021.

It is a weak prime.

It is an emirp because it is prime and its reverse (321020023021) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-120320020123 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 120320020097 and 120320020106.

It is not a weakly prime, because it can be changed into another prime (120320020153) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60160010061 + 60160010062.

It is an arithmetic number, because the mean of its divisors is an integer number (60160010062).

Almost surely, 2^120320020123 is an apocalyptic number.

120320020123 is a deficient number, since it is larger than the sum of its proper divisors (1).

120320020123 is an equidigital number, since it uses as much as digits as its factorization.

120320020123 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 144, while the sum is 16.

Adding to 120320020123 its reverse (321020023021), we get a palindrome (441340043144).

The spelling of 120320020123 in words is "one hundred twenty billion, three hundred twenty million, twenty thousand, one hundred twenty-three".