320201240123 has 4 divisors (see below), whose sum is σ = 320202437568. Its totient is φ = 320200042680.

The previous prime is 320201240101. The next prime is 320201240137. The reversal of 320201240123 is 321042102023.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 320201240123 - 2¹⁴ = 320201223739 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 320201240095 and 320201240104.

It is not an unprimeable number, because it can be changed into a prime (320201260123) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5933 + ... + 800273.

It is an arithmetic number, because the mean of its divisors is an integer number (80050609392).

Almost surely, 2^320201240123 is an apocalyptic number.

320201240123 is a deficient number, since it is larger than the sum of its proper divisors (1197445).

320201240123 is an equidigital number, since it uses as much as digits as its factorization.

320201240123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1197444.

The product of its (nonzero) digits is 576, while the sum is 20.

Adding to 320201240123 its reverse (321042102023), we get a palindrome (641243342146).

The spelling of 320201240123 in words is "three hundred twenty billion, two hundred one million, two hundred forty thousand, one hundred twenty-three".