1023379 has 4 divisors (see below), whose sum is σ = 1169584. Its totient is φ = 877176.

The previous prime is 1023367. The next prime is 1023389. The reversal of 1023379 is 9733201.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 1023379 - 2¹¹ = 1021331 is a prime.

It is an Ulam number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1023329) 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, 73092 + ... + 73105.

It is an arithmetic number, because the mean of its divisors is an integer number (292396).

2^1023379 is an apocalyptic number.

1023379 is a deficient number, since it is larger than the sum of its proper divisors (146205).

1023379 is an equidigital number, since it uses as much as digits as its factorization.

1023379 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 146204.

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

The square root of 1023379 is about 1011.6219649652. The cubic root of 1023379 is about 100.7733045856.

It can be divided in two parts, 102 and 3379, that added together give a square (3481 = 59²).

The spelling of 1023379 in words is "one million, twenty-three thousand, three hundred seventy-nine".