1023373 has 4 divisors (see below), whose sum is σ = 1102108. Its totient is φ = 944640.

The previous prime is 1023367. The next prime is 1023389. The reversal of 1023373 is 3733201.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 3733201 = 653 ⋅5717.

It can be written as a sum of positive squares in 2 ways, for example, as 362404 + 660969 = 602^2 + 813^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1023373 is a prime.

It is a Duffinian number.

1023373 is a lucky number.

It is a self number, because there is not a number n which added to its sum of digits gives 1023373.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1023313) 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 3 ways as a sum of consecutive naturals, for example, 39348 + ... + 39373.

It is an arithmetic number, because the mean of its divisors is an integer number (275527).

2^1023373 is an apocalyptic number.

1023373 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

1023373 is a deficient number, since it is larger than the sum of its proper divisors (78735).

1023373 is an equidigital number, since it uses as much as digits as its factorization.

1023373 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 78734.

The product of its (nonzero) digits is 378, while the sum is 19.

The square root of 1023373 is about 1011.6189994262. The cubic root of 1023373 is about 100.7731076430.

Adding to 1023373 its reverse (3733201), we get a palindrome (4756574).

The spelling of 1023373 in words is "one million, twenty-three thousand, three hundred seventy-three".