2077923 has 4 divisors (see below), whose sum is σ = 2770568. Its totient is φ = 1385280.

The previous prime is 2077919. The next prime is 2077939. The reversal of 2077923 is 3297702.

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

It is not a de Polignac number, because 2077923 - 2² = 2077919 is a prime.

It is a super-3 number, since 3×2077923³ = 26915943334670788401, which contains 333 as substring.

It is a D-number.

It is the 1442-nd Hogben number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2077913) by changing a digit.

It is a nontrivial repunit in base 1441.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 346318 + ... + 346323.

It is an arithmetic number, because the mean of its divisors is an integer number (692642).

2^2077923 is an apocalyptic number.

2077923 is a deficient number, since it is larger than the sum of its proper divisors (692645).

2077923 is an equidigital number, since it uses as much as digits as its factorization.

2077923 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 692644.

The product of its (nonzero) digits is 5292, while the sum is 30.

The square root of 2077923 is about 1441.5002601457. The cubic root of 2077923 is about 127.6075831685.

It can be divided in two parts, 20779 and 23, that added together give a palindrome (20802).

The spelling of 2077923 in words is "two million, seventy-seven thousand, nine hundred twenty-three".