1002323142 has 48 divisors (see below), whose sum is σ = 2222335440. Its totient is φ = 326405376.

The previous prime is 1002323123. The next prime is 1002323167. The reversal of 1002323142 is 2413232001.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 137034 + ... + 144162.

It is an arithmetic number, because the mean of its divisors is an integer number (46298655).

Almost surely, 2^1002323142 is an apocalyptic number.

1002323142 is an abundant number, since it is smaller than the sum of its proper divisors (1220012298).

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

1002323142 is a wasteful number, since it uses less digits than its factorization.

1002323142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7317 (or 7314 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 18.

The square root of 1002323142 is about 31659.4873931970. The cubic root of 1002323142 is about 1000.7737817740.

Adding to 1002323142 its reverse (2413232001), we get a palindrome (3415555143).

The spelling of 1002323142 in words is "one billion, two million, three hundred twenty-three thousand, one hundred forty-two".