320211151523 has 8 divisors (see below), whose sum is σ = 327710350800. Its totient is φ = 312798648448.

The previous prime is 320211151489. The next prime is 320211151531. The reversal of 320211151523 is 325151112023.

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

It is a cyclic number.

It is not a de Polignac number, because 320211151523 - 2⁶ = 320211151459 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 320211151492 and 320211151501.

It is not an unprimeable number, because it can be changed into a prime (320211156523) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 21666578 + ... + 21681351.

It is an arithmetic number, because the mean of its divisors is an integer number (40963793850).

Almost surely, 2^320211151523 is an apocalyptic number.

320211151523 is a deficient number, since it is larger than the sum of its proper divisors (7499199277).

320211151523 is an equidigital number, since it uses as much as digits as its factorization.

320211151523 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 43348101.

The product of its (nonzero) digits is 1800, while the sum is 26.

Adding to 320211151523 its reverse (325151112023), we get a palindrome (645362263546).

The spelling of 320211151523 in words is "three hundred twenty billion, two hundred eleven million, one hundred fifty-one thousand, five hundred twenty-three".