2321542442 has 8 divisors (see below), whose sum is σ = 3483075396. Its totient is φ = 1160517312.

The previous prime is 2321542409. The next prime is 2321542459. The reversal of 2321542442 is 2442451232.

It can be written as a sum of positive squares in 2 ways, for example, as 1967011201 + 354531241 = 44351^2 + 18829^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 115313 + ... + 133940.

Almost surely, 2^2321542442 is an apocalyptic number.

2321542442 is a deficient number, since it is larger than the sum of its proper divisors (1161532954).

2321542442 is a wasteful number, since it uses less digits than its factorization.

2321542442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 253912.

The product of its digits is 15360, while the sum is 29.

The square root of 2321542442 is about 48182.3872592465. The cubic root of 2321542442 is about 1324.1145035493.

Adding to 2321542442 its reverse (2442451232), we get a palindrome (4763993674).

The spelling of 2321542442 in words is "two billion, three hundred twenty-one million, five hundred forty-two thousand, four hundred forty-two".