801923 has 4 divisors (see below), whose sum is σ = 813960. Its totient is φ = 789888.

The previous prime is 801883. The next prime is 801947. The reversal of 801923 is 329108.

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 801923 - 2⁶ = 801859 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (801973) 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, 5918 + ... + 6051.

It is an arithmetic number, because the mean of its divisors is an integer number (203490).

2⁸⁰¹⁹²³ is an apocalyptic number.

801923 is a deficient number, since it is larger than the sum of its proper divisors (12037).

801923 is a wasteful number, since it uses less digits than its factorization.

801923 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12036.

The product of its (nonzero) digits is 432, while the sum is 23.

The square root of 801923 is about 895.5015354537. The cubic root of 801923 is about 92.9060986146.

The spelling of 801923 in words is "eight hundred one thousand, nine hundred twenty-three".