1323022421 has 16 divisors (see below), whose sum is σ = 1595932800. Its totient is φ = 1071413568.

The previous prime is 1323022403. The next prime is 1323022439. The reversal of 1323022421 is 1242203231.

It is an interprime number because it is at equal distance from previous prime (1323022403) and next prime (1323022439).

It is a cyclic number.

It is not a de Polignac number, because 1323022421 - 2¹⁴ = 1323006037 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1323022393 and 1323022402.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1323022471) 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, 36275 + ... + 62943.

It is an arithmetic number, because the mean of its divisors is an integer number (99745800).

Almost surely, 2^1323022421 is an apocalyptic number.

It is an amenable number.

1323022421 is a deficient number, since it is larger than the sum of its proper divisors (272910379).

1323022421 is a wasteful number, since it uses less digits than its factorization.

1323022421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27068.

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

The square root of 1323022421 is about 36373.3751664593. The cubic root of 1323022421 is about 1097.7979144302.

Adding to 1323022421 its reverse (1242203231), we get a palindrome (2565225652).

The spelling of 1323022421 in words is "one billion, three hundred twenty-three million, twenty-two thousand, four hundred twenty-one".