321122423 has 4 divisors (see below), whose sum is σ = 332195640. Its totient is φ = 310049208.

The previous prime is 321122369. The next prime is 321122429. The reversal of 321122423 is 324221123.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 324221123 = 211 ⋅1536593.

It is not a de Polignac number, because 321122423 - 2¹⁴ = 321106039 is a prime.

It is a super-2 number, since 2×321122423² = 206239221106781858, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 321122395 and 321122404.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (321122429) 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, 5536565 + ... + 5536622.

It is an arithmetic number, because the mean of its divisors is an integer number (83048910).

Almost surely, 2^321122423 is an apocalyptic number.

321122423 is a deficient number, since it is larger than the sum of its proper divisors (11073217).

321122423 is a wasteful number, since it uses less digits than its factorization.

321122423 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11073216.

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

The square root of 321122423 is about 17919.8890342546. The cubic root of 321122423 is about 684.7891606073.

Adding to 321122423 its reverse (324221123), we get a palindrome (645343546).

The spelling of 321122423 in words is "three hundred twenty-one million, one hundred twenty-two thousand, four hundred twenty-three".