320121411134423 has 16 divisors (see below), whose sum is σ = 333677459214720. Its totient is φ = 306929380692000.

The previous prime is 320121411134387. The next prime is 320121411134521. The reversal of 320121411134423 is 324431114121023.

It is a cyclic number.

It is not a de Polignac number, because 320121411134423 - 2¹⁸ = 320121410872279 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 320121411134423.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (320121411134123) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 400501193 + ... + 401299698.

It is an arithmetic number, because the mean of its divisors is an integer number (20854841200920).

Almost surely, 2^{320121411134423} is an apocalyptic number.

320121411134423 is a deficient number, since it is larger than the sum of its proper divisors (13556048080297).

320121411134423 is a wasteful number, since it uses less digits than its factorization.

320121411134423 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 801801118.

The product of its (nonzero) digits is 13824, while the sum is 32.

Adding to 320121411134423 its reverse (324431114121023), we get a palindrome (644552525255446).

The spelling of 320121411134423 in words is "three hundred twenty trillion, one hundred twenty-one billion, four hundred eleven million, one hundred thirty-four thousand, four hundred twenty-three".