1023397 has 8 divisors (see below), whose sum is σ = 1096160. Its totient is φ = 952560.

The previous prime is 1023391. The next prime is 1023409. The reversal of 1023397 is 7933201.

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

It is a cyclic number.

It is not a de Polignac number, because 1023397 - 2³ = 1023389 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1023391) 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, 718 + ... + 1600.

It is an arithmetic number, because the mean of its divisors is an integer number (137020).

2^1023397 is an apocalyptic number.

It is an amenable number.

1023397 is a deficient number, since it is larger than the sum of its proper divisors (72763).

1023397 is an equidigital number, since it uses as much as digits as its factorization.

1023397 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 963.

The product of its (nonzero) digits is 1134, while the sum is 25.

The square root of 1023397 is about 1011.6308615300. The cubic root of 1023397 is about 100.7738954091.

Adding to 1023397 its reverse (7933201), we get a palindrome (8956598).

The spelling of 1023397 in words is "one million, twenty-three thousand, three hundred ninety-seven".