1530023 has 8 divisors (see below), whose sum is σ = 1678080. Its totient is φ = 1383480.

The previous prime is 1530019. The next prime is 1530037. The reversal of 1530023 is 3200351.

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 1530023 - 2² = 1530019 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1530073) 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, 3848 + ... + 4226.

It is an arithmetic number, because the mean of its divisors is an integer number (209760).

2^1530023 is an apocalyptic number.

1530023 is a deficient number, since it is larger than the sum of its proper divisors (148057).

1530023 is a wasteful number, since it uses less digits than its factorization.

1530023 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 757.

The product of its (nonzero) digits is 90, while the sum is 14.

The square root of 1530023 is about 1236.9409848493. The cubic root of 1530023 is about 115.2301126511.

Adding to 1530023 its reverse (3200351), we get a palindrome (4730374).

The spelling of 1530023 in words is "one million, five hundred thirty thousand, twenty-three".