2321142 has 16 divisors (see below), whose sum is σ = 4741632. Its totient is φ = 757160.

The previous prime is 2321117. The next prime is 2321147. The reversal of 2321142 is 2411232.

It is a plaindrome in base 11.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2321147) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3834 + ... + 4397.

It is an arithmetic number, because the mean of its divisors is an integer number (296352).

2^2321142 is an apocalyptic number.

2321142 is an abundant number, since it is smaller than the sum of its proper divisors (2420490).

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

2321142 is a wasteful number, since it uses less digits than its factorization.

2321142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8283.

The product of its digits is 96, while the sum is 15.

The square root of 2321142 is about 1523.5294549171. The cubic root of 2321142 is about 132.4038367164.

Adding to 2321142 its reverse (2411232), we get a palindrome (4732374).

The spelling of 2321142 in words is "two million, three hundred twenty-one thousand, one hundred forty-two".