1323242423 has 2 divisors, whose sum is σ = 1323242424. Its totient is φ = 1323242422.

The previous prime is 1323242387. The next prime is 1323242449. The reversal of 1323242423 is 3242423231.

It is an a-pointer prime, because the next prime (1323242449) can be obtained adding 1323242423 to its sum of digits (26).

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1323242423 - 2¹⁰ = 1323241399 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1323242392 and 1323242401.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1323244423) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 661621211 + 661621212.

It is an arithmetic number, because the mean of its divisors is an integer number (661621212).

Almost surely, 2^1323242423 is an apocalyptic number.

1323242423 is a deficient number, since it is larger than the sum of its proper divisors (1).

1323242423 is an equidigital number, since it uses as much as digits as its factorization.

1323242423 is an evil number, because the sum of its binary digits is even.

The product of its digits is 6912, while the sum is 26.

The square root of 1323242423 is about 36376.3992583103. The cubic root of 1323242423 is about 1097.8587610561.

Adding to 1323242423 its reverse (3242423231), we get a palindrome (4565665654).

It can be divided in two parts, 13232 and 42423, that added together give a palindrome (55655).

The spelling of 1323242423 in words is "one billion, three hundred twenty-three million, two hundred forty-two thousand, four hundred twenty-three".