1323423243 has 48 divisors (see below), whose sum is σ = 2043035904. Its totient is φ = 823711680.

The previous prime is 1323423221. The next prime is 1323423251. The reversal of 1323423243 is 3423243231.

1323423243 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 1323423243 - 2⁹ = 1323422731 is a prime.

It is a super-2 number, since 2×1323423243² = 3502898160225274098, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1323423203) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 2057880 + ... + 2058522.

It is an arithmetic number, because the mean of its divisors is an integer number (42563248).

Almost surely, 2^1323423243 is an apocalyptic number.

1323423243 is a deficient number, since it is larger than the sum of its proper divisors (719612661).

1323423243 is a wasteful number, since it uses less digits than its factorization.

1323423243 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 896 (or 893 counting only the distinct ones).

The product of its digits is 10368, while the sum is 27.

The square root of 1323423243 is about 36378.8845760834. The cubic root of 1323423243 is about 1097.9087659471.

Adding to 1323423243 its reverse (3423243231), we get a palindrome (4746666474).

The spelling of 1323423243 in words is "one billion, three hundred twenty-three million, four hundred twenty-three thousand, two hundred forty-three".