1000523 has 8 divisors (see below), whose sum is σ = 1070496. Its totient is φ = 932800.

The previous prime is 1000507. The next prime is 1000537. The reversal of 1000523 is 3250001.

1000523 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 1000523 - 2⁴ = 1000507 is a prime.

It is an Ulam number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1000423) 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, 413 + ... + 1473.

It is an arithmetic number, because the mean of its divisors is an integer number (133812).

2^1000523 is an apocalyptic number.

1000523 is a deficient number, since it is larger than the sum of its proper divisors (69973).

1000523 is a wasteful number, since it uses less digits than its factorization.

1000523 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1125.

The product of its (nonzero) digits is 30, while the sum is 11.

The square root of 1000523 is about 1000.2614658178. The cubic root of 1000523 is about 100.0174302950.

Adding to 1000523 its reverse (3250001), we get a palindrome (4250524).

The spelling of 1000523 in words is "one million, five hundred twenty-three", and thus it is an aban number.