1542423 has 8 divisors (see below), whose sum is σ = 2127600. Its totient is φ = 992768.

The previous prime is 1542421. The next prime is 1542433. The reversal of 1542423 is 3242451.

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

It is a cyclic number.

It is not a de Polignac number, because 1542423 - 2¹ = 1542421 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1542423.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1542421) 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 7 ways as a sum of consecutive naturals, for example, 8778 + ... + 8951.

It is an arithmetic number, because the mean of its divisors is an integer number (265950).

2^1542423 is an apocalyptic number.

1542423 is a deficient number, since it is larger than the sum of its proper divisors (585177).

1542423 is a wasteful number, since it uses less digits than its factorization.

1542423 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17761.

The product of its digits is 960, while the sum is 21.

The square root of 1542423 is about 1241.9432354178. The cubic root of 1542423 is about 115.5405678225.

Adding to 1542423 its reverse (3242451), we get a palindrome (4784874).

The spelling of 1542423 in words is "one million, five hundred forty-two thousand, four hundred twenty-three".