1023393 has 8 divisors (see below), whose sum is σ = 1559488. Its totient is φ = 584784.

The previous prime is 1023391. The next prime is 1023409. The reversal of 1023393 is 3933201.

1023393 is nontrivially palindromic in base 6.

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

It is not a de Polignac number, because 1023393 - 2¹ = 1023391 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (21), and also a Moran number because the ratio is a prime number: 48733 = 1023393 / (1 + 0 + 2 + 3 + 3 + 9 + 3).

It is a Curzon number.

1023393 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (1023391) 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, 24346 + ... + 24387.

It is an arithmetic number, because the mean of its divisors is an integer number (194936).

2^1023393 is an apocalyptic number.

It is an amenable number.

1023393 is a deficient number, since it is larger than the sum of its proper divisors (536095).

1023393 is an equidigital number, since it uses as much as digits as its factorization.

1023393 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 48743.

The product of its (nonzero) digits is 486, while the sum is 21.

The square root of 1023393 is about 1011.6288845224. The cubic root of 1023393 is about 100.7737641156.

Adding to 1023393 its reverse (3933201), we get a palindrome (4956594).

The spelling of 1023393 in words is "one million, twenty-three thousand, three hundred ninety-three".