321204103013423 has 16 divisors (see below), whose sum is σ = 380836798440000. Its totient is φ = 265062411597312.

The previous prime is 321204103013389. The next prime is 321204103013461. The reversal of 321204103013423 is 324310301402123.

It is not a de Polignac number, because 321204103013423 - 2⁴⁴ = 303611916969007 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (29).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (321204103013323) 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, 2266814858 + ... + 2266956551.

It is an arithmetic number, because the mean of its divisors is an integer number (23802299902500).

Almost surely, 2^{321204103013423} is an apocalyptic number.

321204103013423 is a deficient number, since it is larger than the sum of its proper divisors (59632695426577).

321204103013423 is a wasteful number, since it uses less digits than its factorization.

321204103013423 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4533771794.

The product of its (nonzero) digits is 10368, while the sum is 29.

Adding to 321204103013423 its reverse (324310301402123), we get a palindrome (645514404415546).

The spelling of 321204103013423 in words is "three hundred twenty-one trillion, two hundred four billion, one hundred three million, thirteen thousand, four hundred twenty-three".