1500423 has 8 divisors (see below), whose sum is σ = 2007936. Its totient is φ = 996600.

The previous prime is 1500419. The next prime is 1500463. The reversal of 1500423 is 3240051.

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

It is not a de Polignac number, because 1500423 - 2² = 1500419 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1500413) 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, 238 + ... + 1748.

It is an arithmetic number, because the mean of its divisors is an integer number (250992).

2^1500423 is an apocalyptic number.

1500423 is a deficient number, since it is larger than the sum of its proper divisors (507513).

1500423 is a wasteful number, since it uses less digits than its factorization.

1500423 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1845.

The product of its (nonzero) digits is 120, while the sum is 15.

The square root of 1500423 is about 1224.9175482456. The cubic root of 1500423 is about 114.4821835579.

Adding to 1500423 its reverse (3240051), we get a palindrome (4740474).

The spelling of 1500423 in words is "one million, five hundred thousand, four hundred twenty-three".