1322023423 has 4 divisors (see below), whose sum is σ = 1510883920. Its totient is φ = 1133162928.

The previous prime is 1322023403. The next prime is 1322023429. The reversal of 1322023423 is 3243202231.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 3243202231 = 757 ⋅4284283.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1322023423 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1322023394 and 1322023403.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1322023429) 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, 94430238 + ... + 94430251.

It is an arithmetic number, because the mean of its divisors is an integer number (377720980).

Almost surely, 2^1322023423 is an apocalyptic number.

1322023423 is a deficient number, since it is larger than the sum of its proper divisors (188860497).

1322023423 is an equidigital number, since it uses as much as digits as its factorization.

1322023423 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 188860496.

The product of its (nonzero) digits is 1728, while the sum is 22.

The square root of 1322023423 is about 36359.6400284711. The cubic root of 1322023423 is about 1097.5215336086.

Adding to 1322023423 its reverse (3243202231), we get a palindrome (4565225654).

The spelling of 1322023423 in words is "one billion, three hundred twenty-two million, twenty-three thousand, four hundred twenty-three".