1078923 has 4 divisors (see below), whose sum is σ = 1438568. Its totient is φ = 719280.

The previous prime is 1078919. The next prime is 1078927. The reversal of 1078923 is 3298701.

It is a happy number.

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

It is an interprime number because it is at equal distance from previous prime (1078919) and next prime (1078927).

It is not a de Polignac number, because 1078923 - 2² = 1078919 is a prime.

It is a D-number.

It is an alternating number because its digits alternate between odd and even.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1078927) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 179818 + ... + 179823.

It is an arithmetic number, because the mean of its divisors is an integer number (359642).

2^1078923 is an apocalyptic number.

1078923 is a deficient number, since it is larger than the sum of its proper divisors (359645).

1078923 is an equidigital number, since it uses as much as digits as its factorization.

1078923 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 359644.

The product of its (nonzero) digits is 3024, while the sum is 30.

The square root of 1078923 is about 1038.7121834272. The cubic root of 1078923 is about 102.5644409375.

The spelling of 1078923 in words is "one million, seventy-eight thousand, nine hundred twenty-three".