1542442323 has 8 divisors (see below), whose sum is σ = 2075458000. Its totient is φ = 1018860768.

The previous prime is 1542442303. The next prime is 1542442327. The reversal of 1542442323 is 3232442451.

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

It is not a de Polignac number, because 1542442323 - 2²¹ = 1540345171 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1542442327) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2358148 + ... + 2358801.

It is an arithmetic number, because the mean of its divisors is an integer number (259432250).

Almost surely, 2^1542442323 is an apocalyptic number.

1542442323 is a deficient number, since it is larger than the sum of its proper divisors (533015677).

1542442323 is a wasteful number, since it uses less digits than its factorization.

1542442323 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4717061.

The product of its digits is 23040, while the sum is 30.

The square root of 1542442323 is about 39273.9394891829. The cubic root of 1542442323 is about 1155.4105030601.

Adding to 1542442323 its reverse (3232442451), we get a palindrome (4774884774).

The spelling of 1542442323 in words is "one billion, five hundred forty-two million, four hundred forty-two thousand, three hundred twenty-three".