1924423 has 4 divisors (see below), whose sum is σ = 1928160. Its totient is φ = 1920688.

The previous prime is 1924409. The next prime is 1924457. The reversal of 1924423 is 3244291.

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 1924423 - 2¹³ = 1916231 is a prime.

It is an Ulam number.

It is a Duffinian number.

1924423 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1924463) 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, 943 + ... + 2176.

It is an arithmetic number, because the mean of its divisors is an integer number (482040).

2^1924423 is an apocalyptic number.

1924423 is a deficient number, since it is larger than the sum of its proper divisors (3737).

1924423 is an equidigital number, since it uses as much as digits as its factorization.

1924423 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3736.

The product of its digits is 1728, while the sum is 25.

The square root of 1924423 is about 1387.2357406007. The cubic root of 1924423 is about 124.3846665551.

It can be divided in two parts, 19 and 24423, that added together give a palindrome (24442).

The spelling of 1924423 in words is "one million, nine hundred twenty-four thousand, four hundred twenty-three".