1023315 has 16 divisors (see below), whose sum is σ = 1734048. Its totient is φ = 513536.

The previous prime is 1023313. The next prime is 1023317. The reversal of 1023315 is 5133201.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (1023313) and next prime (1023317).

It is not a de Polignac number, because 1023315 - 2¹ = 1023313 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (15).

1023315 is a lucky number.

It is a junction number, because it is equal to n+sod(n) for n = 1023294 and 1023303.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1023311) 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 15 ways as a sum of consecutive naturals, for example, 1752 + ... + 2261.

It is an arithmetic number, because the mean of its divisors is an integer number (108378).

2^1023315 is an apocalyptic number.

1023315 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

1023315 is a deficient number, since it is larger than the sum of its proper divisors (710733).

1023315 is a wasteful number, since it uses less digits than its factorization.

1023315 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4038.

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

The square root of 1023315 is about 1011.5903321009. The cubic root of 1023315 is about 100.7712038240.

Adding to 1023315 its reverse (5133201), we get a palindrome (6156516).

The spelling of 1023315 in words is "one million, twenty-three thousand, three hundred fifteen".