1523023 has 4 divisors (see below), whose sum is σ = 1534120. Its totient is φ = 1511928.

The previous prime is 1523009. The next prime is 1523063. The reversal of 1523023 is 3203251.

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 1523023 - 2⁹ = 1522511 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1522988 and 1523006.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1523003) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5340 + ... + 5617.

It is an arithmetic number, because the mean of its divisors is an integer number (383530).

2^1523023 is an apocalyptic number.

1523023 is a deficient number, since it is larger than the sum of its proper divisors (11097).

1523023 is a wasteful number, since it uses less digits than its factorization.

1523023 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11096.

The product of its (nonzero) digits is 180, while the sum is 16.

The square root of 1523023 is about 1234.1081800231. The cubic root of 1523023 is about 115.0541144185.

Adding to 1523023 its reverse (3203251), we get a palindrome (4726274).

The spelling of 1523023 in words is "one million, five hundred twenty-three thousand, twenty-three".