1923043 has 4 divisors (see below), whose sum is σ = 1928448. Its totient is φ = 1917640.

The previous prime is 1923037. The next prime is 1923049. The reversal of 1923043 is 3403291.

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 (1923037) and next prime (1923049).

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1923043 is a prime.

It is a Smith number, since the sum of its digits (22) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1923049) 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, 2128 + ... + 2893.

It is an arithmetic number, because the mean of its divisors is an integer number (482112).

2^1923043 is an apocalyptic number.

1923043 is a deficient number, since it is larger than the sum of its proper divisors (5405).

1923043 is an equidigital number, since it uses as much as digits as its factorization.

1923043 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5404.

The product of its (nonzero) digits is 648, while the sum is 22.

The square root of 1923043 is about 1386.7382593698. The cubic root of 1923043 is about 124.3549274443.

The spelling of 1923043 in words is "one million, nine hundred twenty-three thousand, forty-three".