1513023 has 8 divisors (see below), whose sum is σ = 2066736. Its totient is φ = 984000.

The previous prime is 1513021. The next prime is 1513033. The reversal of 1513023 is 3203151.

It is a happy number.

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

It is not a de Polignac number, because 1513023 - 2¹ = 1513021 is a prime.

It is a Smith number, since the sum of its digits (15) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a junction number, because it is equal to n+sod(n) for n = 1512993 and 1513011.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1513021) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6028 + ... + 6273.

It is an arithmetic number, because the mean of its divisors is an integer number (258342).

2^1513023 is an apocalyptic number.

1513023 is a deficient number, since it is larger than the sum of its proper divisors (553713).

1513023 is a wasteful number, since it uses less digits than its factorization.

1513023 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12345.

The product of its (nonzero) digits is 90, while the sum is 15.

The square root of 1513023 is about 1230.0499989838. The cubic root of 1513023 is about 114.8017504296.

Adding to 1513023 its reverse (3203151), we get a palindrome (4716174).

The spelling of 1513023 in words is "one million, five hundred thirteen thousand, twenty-three".