1923255 has 24 divisors (see below), whose sum is σ = 3382080. Its totient is φ = 1010880.

The previous prime is 1923253. The next prime is 1923263. The reversal of 1923255 is 5523291.

It is not a de Polignac number, because 1923255 - 2¹ = 1923253 is a prime.

It is an Ulam number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1923253) 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 23 ways as a sum of consecutive naturals, for example, 3285 + ... + 3825.

It is an arithmetic number, because the mean of its divisors is an integer number (140920).

2^1923255 is an apocalyptic number.

1923255 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

1923255 is a deficient number, since it is larger than the sum of its proper divisors (1458825).

1923255 is a wasteful number, since it uses less digits than its factorization.

1923255 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 631 (or 628 counting only the distinct ones).

The product of its digits is 2700, while the sum is 27.

The square root of 1923255 is about 1386.8146956245. The cubic root of 1923255 is about 124.3594969860.

The spelling of 1923255 in words is "one million, nine hundred twenty-three thousand, two hundred fifty-five".