1542323 has 4 divisors (see below), whose sum is σ = 1544928. Its totient is φ = 1539720.

The previous prime is 1542283. The next prime is 1542347. The reversal of 1542323 is 3232451.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 1542323 - 2⁶ = 1542259 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1542295 and 1542304.

It is not an unprimeable number, because it can be changed into a prime (1542383) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 65 + ... + 1757.

It is an arithmetic number, because the mean of its divisors is an integer number (386232).

2^1542323 is an apocalyptic number.

1542323 is a deficient number, since it is larger than the sum of its proper divisors (2605).

1542323 is an equidigital number, since it uses as much as digits as its factorization.

1542323 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2604.

The product of its digits is 720, while the sum is 20.

The square root of 1542323 is about 1241.9029752762. The cubic root of 1542323 is about 115.5380708191.

Adding to 1542323 its reverse (3232451), we get a palindrome (4774774).

The spelling of 1542323 in words is "one million, five hundred forty-two thousand, three hundred twenty-three".