320154022423156 has 12 divisors (see below), whose sum is σ = 560269676756160. Its totient is φ = 160076971921400.

The previous prime is 320154022423141. The next prime is 320154022423171. The reversal of 320154022423156 is 651324220451023.

It is an interprime number because it is at equal distance from previous prime (320154022423141) and next prime (320154022423171).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 16130931 + ... + 30008581.

It is an arithmetic number, because the mean of its divisors is an integer number (46689139729680).

Almost surely, 2^{320154022423156} is an apocalyptic number.

It is an amenable number.

320154022423156 is a deficient number, since it is larger than the sum of its proper divisors (240115654333004).

320154022423156 is a wasteful number, since it uses less digits than its factorization.

320154022423156 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19645094 (or 19645092 counting only the distinct ones).

The product of its (nonzero) digits is 345600, while the sum is 40.

Adding to 320154022423156 its reverse (651324220451023), we get a palindrome (971478242874179).

The spelling of 320154022423156 in words is "three hundred twenty trillion, one hundred fifty-four billion, twenty-two million, four hundred twenty-three thousand, one hundred fifty-six".