1323042042 has 24 divisors (see below), whose sum is σ = 3078098496. Its totient is φ = 378011928.

The previous prime is 1323042023. The next prime is 1323042047. The reversal of 1323042042 is 2402403231.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is not an unprimeable number, because it can be changed into a prime (1323042047) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2249778 + ... + 2250365.

It is an arithmetic number, because the mean of its divisors is an integer number (128254104).

Almost surely, 2^1323042042 is an apocalyptic number.

1323042042 is an abundant number, since it is smaller than the sum of its proper divisors (1755056454).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1323042042 is a wasteful number, since it uses less digits than its factorization.

1323042042 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4500162 (or 4500155 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 21.

The square root of 1323042042 is about 36373.6448819746. The cubic root of 1323042042 is about 1097.8033413441.

Adding to 1323042042 its reverse (2402403231), we get a palindrome (3725445273).

The spelling of 1323042042 in words is "one billion, three hundred twenty-three million, forty-two thousand, forty-two".